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SU cannot open session: module unknown

Troubleshooting


Problem

From the root user, when sourcing twa_env.sh and then trying to switch to a different user received the error.
TWS on Redhat 8.2 and upper-level OS

Symptom

When using the su command to another user on linux host.
root@ip-x-x-x  [/root]# su - iws
Last login: Wed Sep 13 08:50:20 EDT 2023 on pts/1
su: cannot open session: Module is unknown

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SS8GJD","label":"IBM Workload Automation"},"ARM Category":[{"code":"a8m0z000000GnQ9AAK","label":"Components-\u003EMDM"}],"ARM Case Number":"TS014164866","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

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Historical Number

TS014164866

Document Information

Modified date:
24 January 2024

UID

ibm17106978