My Oracle Support Banner

"Exception EOutOfMemory in module PM.EXE at 0000000000009154. Out of memory" When Trying to Run an Activity Critical Path in P6 Professional. (Doc ID 2880069.1)

Last updated on JULY 26, 2022

Applies to:

Primavera P6 Professional Project Management - Version 21.12 to [Release 21.12]
Information in this document applies to any platform.


When attempting to select the Backward Activity Critical Path operation, P6 Professional enters a non-responding state and slowly increases in memory usage until the operation fails with the following errors:

Your system is out of memory. Please close the other running applications and try this operation again.
Exception EOutOfMemory in module PM.EXE at 0000000000009154. Out of memory.

The issue can be reproduced at will with the following steps:

  1. Open a project.
  2. Select an activity near the end of the schedule.
  3. Select the View > "Backward Activity Path" operation.




To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.