Message type: E = Error
Message class:  WRF_WLAY - Messages in Layout Environment in Fashion Solution 
Message number: 084
Message text: There is a date overlap with the target layout module
There is a date overlap with the target layout module. The last version
of the target module has the same start date as the version to be copied
or has a later start date. As a result, the version cannot be copied.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
The overlapping versions of the target layout module must be deleted or
another target layout module must be selected.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message WRF_WLAY084 indicates that there is a date overlap with the target layout module in the context of SAP's Advanced Planning and Optimization (APO) or similar modules related to layout management. This error typically arises when you are trying to create or modify a layout that has date ranges that conflict with existing layouts.
Cause: The error is caused by one of the following scenarios: Date Overlap: The date range you are trying to assign to a new or existing layout overlaps with the date range of another layout that is already defined in the system. Incorrect Date Entry: The dates entered for the layout might be incorrect or not aligned with the existing layouts.
Configuration Issues: There may be issues in the configuration of the layout modules that lead to conflicts.
Solution: To resolve the error, you can take the following steps: Check Existing Layouts: Review the existing layouts in the system to identify any
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
WRF_WLAY083 The conversion report was already executed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
WRF_WLAY082 Not all fields were filled
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
WRF_WLAY085 The source layout module is the same as the target layout module
What causes this issue?  The source layout module is the same as the target layout module.System Response  The system issues an error message and will...
WRF_WLAY086 Layout module &1 version &2 was copied successfully
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.