# What is the reason I am getting the error -1064239096? **URL:** \ **Category:** Programming\ **Tags:** automation-studio\ **Created:** [October 15, 2026, 7:31am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003 "2026-10-15T07:31:23Z")\ **Posts on this page:** 16\ **Page:** 1
**Author:** ![rhys](https://avatars.discourse-cdn.com/v4/letter/r/FF8800/32.png) [@rhys](https://community.br-automation.com/u/rhys)\ **Post date:** [October 15, 2026, 7:31am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/1 "2026-10-15T07:31:23Z")
```auto Config.Execute := TRUE; Config.MpLink := ADR(gAxA); Config.Parameters := (ConfigPar); Config(); ``` I have made the assignments as follows; my AS version is v6.7.1.5 ---
**Author:** ![rhys](https://avatars.discourse-cdn.com/v4/letter/r/FF8800/32.png) [@rhys](https://community.br-automation.com/u/rhys)\ **Post date:** [October 15, 2026, 7:50am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/2 "2026-10-15T07:50:32Z")
Config.Command := mcAXIS\_BASIC\_CFG\_READ ---
**Author:** ![michael\_w](https://avatars.discourse-cdn.com/v4/letter/m/FF8800/32.png) [@michael\_w](https://community.br-automation.com/u/michael_w)\ **Post date:** [October 15, 2026, 8:06am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/3 "2026-10-15T08:06:02Z")
Hello @rhys , while your post is missing a LOT of details, leaving users to guess what your `Config` FB is and what you have already done to try and figure it out yourself, I’ll take an educated guess: FB is MpAxisBasicConfig. Thus, looking for the error in the help: [B&R Online Help](https://help.br-automation.com/#/en/6/motion%2Fcomponents%2Fmpaxis%2Ffehler%2F8_mpaxis_err_config_null.html) Ok, that says something about configuration and a pointer being NULL Looking at the FB itself [B&R Online Help](https://help.br-automation.com/#/en/6/motion/mapp_motion/mapp_axis/programmierung/technologiebibliotheken/axis/funktionsbausteine/mpaxisbasicconfig/mc_x.html), expand the MpAxisBasicConfigParType and see something that asks about an address: ![image](https://europe1.discourse-cdn.com/brcommunity/original/2X/a/a5c71282d06d3a6afea02eb3d2d348455fbb9554.png) → Set this to something valid and try again Hope that helps ---
**Author:** ![rhys](https://avatars.discourse-cdn.com/v4/letter/r/FF8800/32.png) [@rhys](https://community.br-automation.com/u/rhys)\ **Post date:** [October 15, 2026, 8:35am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/5 "2026-10-15T08:35:02Z")
Thank you; yes, I provided some incomplete information, so I will make sure to be more detailed next time. Even after performing checks and making changes, I continue to encounter the same error. Here are the latest changes: MpAxisBasicConfig.Execute := TRUE; MpAxisBasicConfig.MpLink := ADR(gAxA); MpAxisBasicConfig.Parameters := (MpAxisBasicConfigParType); MpAxisBasicConfigParType.Data := ADR(MpAxisBasicConfigType); MpAxisBasicConfig(); ---
**Author:** ![christoph.hilchenbac](https://dub1.discourse-cdn.com/brcommunity/user_avatar/community.br-automation.com/christoph.hilchenbac/32/423_2.png) [@christoph.hilchenbac](https://community.br-automation.com/u/christoph.hilchenbac)\ **Post date:** [October 15, 2026, 11:23am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/6 "2026-10-15T11:23:05Z")
I hope this will help: ```auto TYPE STEPS_enum : ( W_INIT, W_CONFIG_READ, READY, ERROR_AXIS, ERROR_CONFIG ); END_TYPE ``` ```auto VAR axis_configuration : MpAxisBasicConfigType; MpAxisBasicConfig_01 : MpAxisBasicConfig; axis_parameters : MpAxisBasicParType; MpAxisBasic_01 : MpAxisBasic; step : STEPS_enum; END_VAR ``` ```auto PROGRAM_INIT MpAxisBasic_01.MpLink := ADR(gAxis_1); MpAxisBasic_01.Parameters := ADR(axis_parameters); MpAxisBasic_01.Enable := TRUE; MpAxisBasicConfig_01.MpLink := ADR(gAxis_1); MpAxisBasicConfig_01.Parameters.Data := ADR(axis_configuration); MpAxisBasicConfig_01.Command := mcAXIS_BASIC_CFG_READ; step := W_INIT; END_PROGRAM ``` ```auto PROGRAM _CYCLIC CASE step OF W_INIT: IF MpAxisBasic_01.Active THEN MpAxisBasicConfig_01.Execute := TRUE; step := W_CONFIG_READ; ELSIF MpAxisBasic_01.Error THEN step := ERROR_AXIS; END_IF W_CONFIG_READ: IF MpAxisBasicConfig_01.Done THEN step := READY; ELSIF MpAxisBasicConfig_01.Error THEN step := ERROR_CONFIG; END_IF ERROR_AXIS: ERROR_CONFIG: END_CASE MpAxisBasic_01(); MpAxisBasicConfig_01(); END_PROGRAM ``` [axis.zip](https://community.br-automation.com/uploads/short-url/xvP7H4NXxAKsAg3rq1O0PfRCDyE.zip) (1.6 KB) ---
**Author:** ![rhys](https://avatars.discourse-cdn.com/v4/letter/r/FF8800/32.png) [@rhys](https://community.br-automation.com/u/rhys)\ **Post date:** [October 16, 2026, 7:11am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/7 "2026-10-16T07:11:34Z")
> [@christoph.hilchenbac](#): > > `axis_configuration` Thanks for everything; your explanation was quite good, but there are a few points I haven’t fully grasped. First of all: Shouldn’t `MpAxisBasicConfig_01.Parameters` be mapped to `MpAxisBasicConfigParType`? Also, I don’t quite understand why a construct like `MpAxisBasicConfigParType.Data := ADR(axis_configuration);` isn’t used. Furthermore, are we currently performing save and load operations via `MpAxisBasicConfig_01.Command`? Should there be a statement similar to the following within the `case` structure: `MpAxisBasicConfig_01.Command := mcAXIS_BASIC_CFG_WRITE;` `MpAxisBasicConfig_01.Command := mcAXIS_BASIC_CFG_LOAD;` …or is it sufficient to simply set `MpAxisBasicConfig_01.Execute := TRUE;`? Additionally, whenever I attempt to modify components such as the axis drive settings—specifically `axis_configuration.Drive.Homing.StartVelocity`—the system switches to “service” mode. I am aware of this situation (error code 25314); however, I had linked the configuration via a variable using the expression `axis_configuration ACCESS ADR(MpAxBasic_ConfigType[1]);`. ---
**Author:** ![christoph.hilchenbac](https://dub1.discourse-cdn.com/brcommunity/user_avatar/community.br-automation.com/christoph.hilchenbac/32/423_2.png) [@christoph.hilchenbac](https://community.br-automation.com/u/christoph.hilchenbac)\ **Post date:** [October 16, 2026, 7:59am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/8 "2026-10-16T07:59:14Z")
> [@rhys](#): > > Shouldn’t `MpAxisBasicConfig_01.Parameters` be mapped to `MpAxisBasicConfigParType`? the input ‘MpAxisBasicConfig\_01.Parameters’ is already of this data type. And since it is not pointer input it can be directly set. But it is ok to assign a second variable of type ‘MpAxisBasicConfigParType’ to it. > Also, I don’t quite understand why a construct like `MpAxisBasicConfigParType.Data := ADR(axis_configuration);` isn’t used same answer as last. You can define a separate variable of type ‘MpAxisBasicConfigParType’ and name it ‘MpAxisBasicConfigParType’, too. But it is not necessary. ---
**Author:** ![christoph.hilchenbac](https://dub1.discourse-cdn.com/brcommunity/user_avatar/community.br-automation.com/christoph.hilchenbac/32/423_2.png) [@christoph.hilchenbac](https://community.br-automation.com/u/christoph.hilchenbac)\ **Post date:** [October 16, 2026, 9:19am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/9 "2026-10-16T09:19:50Z")
> [@rhys](#): > > Furthermore, are we currently performing save and load operations via `MpAxisBasicConfig_01.Command`? input ‘.Command’ is just a parameter for the next operation which is then started by a rising edge on ‘.Execute’. > I am aware of this situation (error code 25314); however, I had linked the configuration via a variable using the expression `axis_configuration ACCESS ADR(MpAxBasic_ConfigType[1]);`. Unfortunately we have to use pointers and pointer operations are potentially dangerous. ---
**Author:** ![rhys](https://avatars.discourse-cdn.com/v4/letter/r/FF8800/32.png) [@rhys](https://community.br-automation.com/u/rhys)\ **Post date:** [October 16, 2026, 9:53am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/10 "2026-10-16T09:53:13Z")
Thanks for the explanation; however, the system switches to service mode. When I check the PC log, it points me to the following location: PROGRAM \_CYCLIC axis\_configuration.Drive.Homing.StartVelocity := gAxis.x.Drive.Homing.Start\_Velocity ; END\_PROGRAM ![xxxxxxxxxxxxx1](https://europe1.discourse-cdn.com/brcommunity/original/2X/9/9303e489e661d398df1f6aa61513ef1796e6fed2.png) ---
**Author:** ![rhys](https://avatars.discourse-cdn.com/v4/letter/r/FF8800/32.png) [@rhys](https://community.br-automation.com/u/rhys)\ **Post date:** [October 16, 2026, 9:54am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/11 "2026-10-16T09:54:17Z")
I understand; you explained it very well. ---
**Author:** ![valerio.manenti](https://dub1.discourse-cdn.com/brcommunity/user_avatar/community.br-automation.com/valerio.manenti/32/11712_2.png) [@valerio.manenti](https://community.br-automation.com/u/valerio.manenti)\ **Post date:** [October 16, 2026, 10:20am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/12 "2026-10-16T10:20:04Z")
Hi @rhys , since we have MpAxisBasicConfig FUB available in mapp Motion I use that in all my prjs and to be honest I have positive feedback from my customers. The interface of that FUB has the same style implemented from other mapp function blocks. Christoph has developed a task that explained in details how to use MpAxisBasicConfig FUB, so I’m a little lost why you still have an issue. Portion of system logger doesn’t help our investigation and I see can only increase your frustration. Could you upload your task and systemDump? I can test that with arsim or with real hw, I have few APC2200s on my desk. Thanks Ciao Valerio ---
**Author:** ![rhys](https://avatars.discourse-cdn.com/v4/letter/r/FF8800/32.png) [@rhys](https://community.br-automation.com/u/rhys)\ **Post date:** [October 16, 2026, 11:28am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/13 "2026-10-16T11:28:34Z")
I couldn’t send the project file due to its size; I saved it as a .zip file, but the file size is still too large. ---
**Author:** ![rhys](https://avatars.discourse-cdn.com/v4/letter/r/FF8800/32.png) [@rhys](https://community.br-automation.com/u/rhys)\ **Post date:** [October 16, 2026, 11:48am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/14 "2026-10-16T11:48:21Z")
I found the source of the problem. I had defined my function blocks using `ACCESS` and then used them within `PROGRAM_CYCLIC`. I should have used `PROGRAM_INIT` instead; I overlooked that. Regarding how to write the parameters—is there a specific order to follow when using `.Command` for operations like: `mcAXIS_BASIC_CFG_READ` `mcAXIS_BASIC_CFG_WRITE` `mcAXIS_BASIC_CFG_LOAD`…? ---
**Author:** ![kovarj](https://dub1.discourse-cdn.com/brcommunity/user_avatar/community.br-automation.com/kovarj/32/537_2.png) [@kovarj](https://community.br-automation.com/u/kovarj)\ **Post date:** [October 16, 2026, 11:48am UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/15 "2026-10-16T11:48:44Z")
Sorry guys,… at the moment it looks like more that official support should take a look at it. It can be handled as support or consultancy directly in the project if needed. The community is not intended for sharing projects where customer know-how may be involved. ---
**Author:** ![rhys](https://avatars.discourse-cdn.com/v4/letter/r/FF8800/32.png) [@rhys](https://community.br-automation.com/u/rhys)\ **Post date:** [October 16, 2026, 12:28pm UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/16 "2026-10-16T12:28:54Z")
> [@kovarj](#): > > resmi destek ekibinin incelemesi daha I had mentioned that my issue was resolved and asked a question regarding a different matter; I am concluding the discussion here and moving on to another topic. ---
**Author:** ![valerio.manenti](https://dub1.discourse-cdn.com/brcommunity/user_avatar/community.br-automation.com/valerio.manenti/32/11712_2.png) [@valerio.manenti](https://community.br-automation.com/u/valerio.manenti)\ **Post date:** [October 16, 2026, 1:11pm UTC](https://community.br-automation.com/t/what-is-the-reason-i-am-getting-the-error-1064239096/13003/17 "2026-10-16T13:11:11Z")
Thanks @rhys ! Ciao Valerio