How To Fix T7018 - Predecessor activity category & no longer valid

T7018 - Overview

• Message type: E = Error

• Message class: T7 - Forex entry

• Message number: 018

• Message text: Predecessor activity category & no longer valid

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message T7018 - Predecessor activity category & no longer valid ?

  The SAP error message T7018 indicates that a predecessor activity category is no longer valid. This typically occurs in the context of project management or production planning within SAP, where activities are linked to one another based on their dependencies.
  
  Cause:
  The error can arise due to several reasons:
  
  Invalid Activity Category: The predecessor activity category specified in the project or task is no longer valid or has been deleted.
  Changes in Project Structure: If there have been changes in the project structure or if the activity categories have been modified, it can lead to this error.
  
  Configuration Issues: There may be configuration issues in the system that have led to the predecessor activity being marked as invalid.
  Data Integrity Issues: Data inconsistencies or corruption in the project data can also lead to this error.
  
  
  Solution:
  To resolve the T7018 error, you can take the following steps:
  
  
  Check Activity Categories:
  
  Verify the predecessor activity category in the project or task.