microsoft / microsoft/AL

Error during publish when EventSubscriber have parameter RecRef

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Description

1. Describe the bug
I have similar behavior as described in https://github.com/microsoft/AL/issues/7832. I can compile my code and everything looks good. Problem raise when I publish application to database (OnPrem server)

2. To Reproduce
Steps to reproduce the behavior:

  1. Create new appliction
  2. Create new object
codeunit 55007 "Item Templ. Mgt. EH TRT"
{
    SingleInstance = true;

    [EventSubscriber(ObjectType::Codeunit, Codeunit::"Item Templ. Mgt.", OnInitFromTemplateOnBeforeValidateFields, '', false, false)]
    local procedure OnInitFromTemplateOnBeforeValidateFields(var FieldValidationList: List of [Integer]; var ItemTemplRecRef: RecordRef)
    begin

    end;
}
  1. Compile application
  2. Publish application to DB

3. Expected behavior
Publish will be without problems

4. Actual behavior
Publish-NavApp raise error:

One or more errors occurred. (Failure while emitting method. Object:'Codeunit "Item Templ. Mgt. EH TRT"' Method:'OnInitFromTemplateOnBeforeValidateFields(var List of [Integer], var RecordRef)' (Unexpected value 'Joker' of type 'Microsoft.Dynamics.Nav.CodeAnalysis.NavTypeKind'))
Failure while emitting method. Object:'Codeunit "Item Templ. Mgt. EH TRT"' Method:'OnInitFromTemplateOnBeforeValidateFields(var List of [Integer], var RecordRef)' (Unexpected value 'Joker' of type 'Microsoft.Dynamics.Nav.CodeAnalysis.NavTypeKind')
Unexpected value 'Joker' of type 'Microsoft.Dynamics.Nav.CodeAnalysis.NavTypeKind'

5. Versions:

  • AL Language: 15.2.1630495
  • Visual Studio Code:
    Version: 1.102.1 (user setup)
    Commit: 7adae6a56e34cb64d08899664b814cf620465925
    Date: 2025-07-15T16:41:17.147Z
    Electron: 35.6.0
    ElectronBuildId: 11847422
    Chromium: 134.0.6998.205
    Node.js: 22.15.1
    V8: 13.4.114.21-electron.0
    OS: Windows_NT x64 10.0.26100
  • Business Central: 26.3.36158.36321
  • Operating System:
    • [ x] Windows
    • Linux
    • MacOS
Final Checklist

Please remember to do the following:

  • [ x] Search the issue repository to ensure you are reporting a new issue

  • [ x] Reproduce the issue after disabling all extensions except the AL Language extension

  • [x ] Simplify your code around the issue to better isolate the problem

Internal work item: AB#595958

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the failure with the shown EventSubscriber containing a var RecordRef parameter, then publish the compiled application with Publish-NavApp against the stated Business Central environment. Done means the application publishes successfully without the 'Unexpected value Joker' emission error.

Written by the indexing model from the issue text.

Assessment

Tech stack
vscode
Domain
compilers, devtools
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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