How To Fix TPM_BPA051 - Security (&1, &2) blocked for processing

SAP Error Message - Details

• Message type: E = Error

• Message class: TPM_BPA - Messages for BEPP Adaptor

• Message number: 051

• Message text: Security (&1, &2) blocked for processing

What causes this issue?

Security (&v1&, &v2&) is currently blocked:
By another user who is working with the security, for example, creating
a transaction
By a posting that has not yet been completed

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?

Wait until the block has been released.
Check if business transactions for this security have to be reversed
according to Note 430091.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.