How To Fix B1668 - Another process is running for update &1 -> &2

B1668 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 668

• Message text: Another process is running for update &1 -> &2

What causes this issue?

While a conversion is running, you cannot start any further processes
for the test run. Depending on the size of the dataset in the system,
this process can last a long time.

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?

Check whether all the conversion processes in the corresponding system
are complete (online or background processing), or whether they have
terminated due to a program error. If a process has terminated
abnormally, first solve the error and delete the conversion log, then
restart the process.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

B1668 - Details

• The SAP error message B1668, which states "Another process is running for update &1 -> &2," typically indicates that there is a conflict due to multiple processes trying to perform an update operation simultaneously. This can occur in various scenarios, such as during batch processing, data updates, or when multiple users are trying to execute the same transaction.
  
  Cause:
  
  Concurrent Updates: Another user or process is currently executing an update that locks the resources needed for your operation.
  Long-Running Transactions: A previous transaction may be taking longer than expected, causing a delay in resource availability.
  System Configuration: The system may be configured to allow only one update process at a time for certain operations.
  
  
  Solution:
  
  Wait and Retry: If the error is due to a temporary lock, waiting for a few moments and then retrying the operation may resolve the issue.
  Check Active Processes: Use transaction codes like SM50 or SM66 to monitor active processes and identify