How To Fix TG153 - Log cannot be written (existence? authorization?)

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 153

• Message text: Log cannot be written (existence? authorization?)

What causes this issue?

A log file could not be written to.

System Response

The upgrade stops in phase BATCHCHK.

How to fix this error?

Check the following causes and correct the error:
No write authorization to the subdirectories of the upgrade directory
(subdirectories bin, log, tmp, ...)
No freespace in the upgrade directory
The upgrade directory cannot be reached from the batch host specified
Create a mount to the directory. If the batch host was entered
incorrectly, correct it by calling <LB>R3up set stdpar</>.

Error message extract from SAP system. Copyright SAP SE.