How To Fix VV502 - Material & is locked (availability check not possible)

SAP Error Message - Details

• Message type: E = Error

• Message class: VV - Requirements and availability

• Message number: 502

• Message text: Material & is locked (availability check not possible)

What causes this issue?

Material &V1& (plant &V2&) which you are processing is blocked by user
&V3&. The system has attempted several times without success to block
the material you are using.

System Response

To not hinder your work, the system stops its attempts of blocking and
does not carry out an <GL:availability_check>availiability check</>.

How to fix this error?

The transaction you are processing is not confirmed. You
should therefore carry out another availability check.

Error message extract from SAP system. Copyright SAP SE.