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Message type: E = Error
Message class: WS - Supplier Billing Document
Message number: 336
Message text: The application log is already active (internal error)
The application log is already active. Repeat activation is not
possible.
Processing is terminated.
As a rule, this is due to an internal program error.
The external code of the application log already active is &V1&, user
&V2&, report/program &V3&.
Please contact SAP.
Function module &V4& was called several times, which is not allowed.
Error message extract from SAP system. Copyright SAP SE.
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SAP messages fall into 3 different categories: Error messages
(message type = E), Warnings (W) or Informational (I) messages.
An error message will prevent you from continuing your work - it is a hard stop and you need to fix the error before you can proceed. A warning message will stop your work, however, you can then bypass the warning by pressing the Enter key on your keyboard. That said, it is still good practice to investigate the cause of the warning message and address it. An information message will not stop your work and is truly just for informational purposes.
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