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How To Fix VMP_MSG129 - Action cannot be performed; assembly is locked
SAP Error Message - Details
Message type: E = Error
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Message class:
VMP_MSG - VMP Message Manager -
Message number: 129
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Message text: Action cannot be performed; assembly is locked
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What causes this issue?
The assembly is locked in the planning scope alternative. Hence, you
cannot modify it.System Response
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
How to fix this error?
Procedure for System Administrators
Error message extract from SAP system. Copyright SAP SE.
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