I got one lamalls dependency plugin error when i try to composer upgrade .

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Please help me to resolve this.

2 Answers 2


it seems that you need to update your composer itself (with a composer self-update). That should solve your problem. Best regards JG Cabanas

  • As I was 1st to answer, kudo and like would be nice :)
    – JG Cabanas
    Commented Apr 22, 2020 at 11:35

This was an issue with Composer, By installing latest version of Composer solved it. The bug for the constant variable PRE_COMMAND_RUN is raised and closed.

Thanks ...

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