Message type: E = Error
Message class:  LE_SHP_BF_EAN128 - Messages for development class LE_SHP_BF_EAN128 
Message number: 028
Message text: Internal number range interval must be maintained
The internal number range interval is needed to generate a shipping
unit number/serialized shipping container code (SSCC) but the relevant
field in the Implementation Guide is empty.
Check all the available entries for generating SSCCs at either
<DS:SIMG.SIMG_HUMIDEANSSCCNWL>plant/storage location</> level or
<DS:SIMG.SIMG_HUMIDEANSSCCNL>warehouse number</> level. If you do not
have the required authorization, inform your system administrator.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message LE_SHP_BF_EAN128028 indicates that there is an issue with the internal number range interval for EAN128 barcodes in the Logistics Execution (LE) module. This error typically arises when the system is unable to generate a unique identifier for the EAN128 barcode due to a misconfiguration in the number range settings.
Cause: The primary cause of this error is that the internal number range for EAN128 is not properly maintained or configured in the SAP system. This can happen if: The number range interval for EAN128 has not been defined. The number range has been exhausted (i.e., all numbers in the range have been used). There is a configuration error in the number range settings.
Solution: To resolve this error, you need to check and maintain the number range intervals for EAN128. Here are the steps to do so: Access the Number Range Configuration: Go to transaction code SNRO (Number Range Objects). Enter the object name related to
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LE_SHP_BF_EAN128027 ILN basic number must be maintained
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What causes this issue?  For the generation of a serialized shipping container code (SSCE) or a shipping unit number, a number range object was specif...
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