Message type: E = Error
Message class: /SAPAPO/PFCS_MESS -
Message number: 521
Message text: Internal Error: End Date / Time Stamp Is Before Start Date / Time Stamp
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/SAPAPO/PFCS_MESS521
- Internal Error: End Date / Time Stamp Is Before Start Date / Time Stamp ?The SAP error message /SAPAPO/PFCS_MESS521 Internal Error: End Date / Time Stamp Is Before Start Date / Time Stamp typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is a mismatch in the date and time settings for a planning function or process. This error indicates that the end date or time stamp specified is earlier than the start date or time stamp, which is logically incorrect.
Cause: Incorrect Date/Time Input: The most common cause is that the user has entered an end date or time that is earlier than the start date or time in a planning function or process. Data Corruption: There may be issues with the data in the system, such as corrupted records or incorrect configurations.
Configuration Issues: The planning function or process may not be configured correctly, leading to invalid date/time settings. Time Zone Differences: If the system is set up to handle multiple time
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