BC 23.1 crashes when modifying a record in a custom table

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Posted on by Val Gameiro Consult...

I had a mod that was running for a customer, based on a custom table for budgeting.

When I finish entering any record, and put a comment on the line, it crashes BC but does not trigger the debugger. I get the Go Home link and that's it. No record of any problem.

Also, the OnLookup button (the ellipsis) also crashes the system in PROD, but not in DEV.

It only happens on this mod. And this was working fine before the 23.1 upgrade. It was tested by the user and brought into PROD just before the upgrade.

Anyone else getting this problem?

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Dynamics 365 Business Central

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Val Gameiro Consult... 23 on at

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BC 23.1 crashes when modifying a record in a custom table

I'm not sure what happened, but the crash is no longer happening. I'm assuming there was a MS minor upgrade in the background.

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Judy Microsoft Employee on at

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BC 23.1 crashes when modifying a record in a custom table

Hi Val,

You mentioned that the problem simply crashes BC and the debugger, and don't know where it is crashing. Since we don't have your custom code and your demo environment, it is highly recommended that you can make a breakpoints in the specific lines and debug the code step by step, then you may identify the root cause why the debugger crashed.

The reference Microsoft document:

Debugging - Business Central | Microsoft Learn

Best Regards,

Judy

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Val Gameiro Consult... 23 on at

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BC 23.1 crashes when modifying a record in a custom table

Here is the snapshot:

And this is the last code it runs:

procedure CheckIfBlocked()

begin

if "Budget Name" = GLBudgetName.Name then

exit;

if GLBudgetName.Name <> "Budget Name" then

GLBudgetName.Get("Budget Name");

GLBudgetName.TestField(Blocked, false);

end;

The Budget is not blocked, and I don't get any errors, and then it goes into database close.

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Val Gameiro Consult... 23 on at

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BC 23.1 crashes when modifying a record in a custom table

Ok, the problem is I don't know where it is crashing, as it simply crashes BC and the debugger, so I don't know where it is crashing.

This is the field where it crashes... it is a plain text field on the page:

field(Comment; Rec.Comment)

{

ApplicationArea = All;

Editable = StatusIsOpen;

}

field(50001; Comment; Text[250]) { }

And this is the only code that would run when I populate it -- there's no OnValidate for it:

trigger OnModify()

begin

CheckIfBlocked();

"User ID" := CopyStr(UserId(), 1, MaxStrLen("User ID"));

end;

And this is on the page:

page 50006 "Custom Budget Preapproval"

{

ApplicationArea = All;

PageType = List;

SourceTable = "Temp G/L Budget Entry";

UsageCategory = History;

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Judy Microsoft Employee on at

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BC 23.1 crashes when modifying a record in a custom table

Hi Sir,

Please check the following Microsoft Document which help you troubleshoot issues with Business Central so that you can gather information about a given problem, identify the cause of the problem, and eventually implement a sustainable solution that does not introduce new issues.

Troubleshooting overview - Business Central | Microsoft Learn

Best Regards,

Judy

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YUN ZHU 89,830 Super User 2025 Season 2 on at

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BC 23.1 crashes when modifying a record in a custom table

Hi, I just tested it briefly and didn't encounter this problem. I suspect it may also be a problem with the program itself. If I debug it, will I find the problem?

BC23.1:

Custom Table:

Lookup:

Hope this helps.

Thanks.

ZHU

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Inge M. Bruvik 1,035 Moderator on at

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BC 23.1 crashes when modifying a record in a custom table

Maybe you can share the code that is causing this behavior?

Du you have a CI(CD in place for your code that builds it against next minor / next major releases ?

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