How To Fix PPEMPL070 - Could not set database lock for the table of nodes

PPEMPL070 - Overview

• Message type: E = Error

• Message class: PPEMPL -

• Message number: 070

• Message text: Could not set database lock for the table of nodes

What causes this issue?

The system has attempted to lock the database table for the iPPE node
objects to prevent changes by other users. In doing so, a lock problem
occurred.
A possible reason for this is that at least one user is locking the
corresponding data in iPPE.

System Response

The system does <ZH>not</> run the report in productive mode. It does
not convert any objects.

How to fix this error?

Ensure that no other user is accessing iPPE data.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

PPEMPL070 - Details

• The SAP error message PPEMPL070 ("Could not set database lock for the table of nodes") typically occurs in the context of the SAP Project System (PS) or related modules when there is an issue with database locking mechanisms. This error indicates that the system is unable to acquire a lock on a specific database table, which is necessary for ensuring data integrity during operations that modify data.
  Causes:
  
  Concurrent Access: Another user or process may already have a lock on the table, preventing your transaction from acquiring the necessary lock.
  Long-Running Transactions: If a transaction is taking too long to complete, it may hold locks longer than expected, causing subsequent transactions to fail.
  Database Issues: There may be underlying database issues, such as deadlocks or resource contention, that prevent locks from being set.
  
  Configuration Issues: Incorrect configuration of the database or SAP system settings may lead to locking issues.
  
  Solutions:
  
  
  Check for Active Locks:
  
  Use transaction SM12 to