How To Fix CM_EHFND_FW_WFF128 - Cron string &1 contains invalid characters

CM_EHFND_FW_WFF128 - Overview

• Message type: E = Error

• Message class: CM_EHFND_FW_WFF - Messages for Exception Obj. of EHS/PS&S Workflow Foundation

• Message number: 128

• Message text: Cron string &1 contains invalid characters

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_FW_WFF128 - Cron string &1 contains invalid characters ?

  The SAP error message CM_EHFND_FW_WFF128 indicates that there is an issue with a cron string that contains invalid characters. Cron strings are used in SAP to schedule jobs and tasks, and they follow a specific format that must adhere to certain rules.
  
  Cause:
  The error is triggered when the cron string provided contains characters that are not allowed. Common causes include:
  
  Typographical errors in the cron string.
  Use of unsupported characters or symbols.
  Incorrect formatting of the cron string (e.g., missing fields, extra spaces).
  
  Cron String Format:
  A typical cron string consists of five fields (for minute, hour, day of month, month, and day of week) and may include special characters like:
  
  * (asterisk) - represents all values.
  , (comma) - separates multiple values.
  - (dash) - defines a range of values.
  / (slash) - specifies increments.
  
  
  Solution:
  
  
  Review the Cron String: Check the cron string for any invalid characters or formatting issues. Ensure that it only contains valid characters as per the