Message type: E = Error
Message class:  SIAO_DEL - SIAO: Digital Signature Angola 
Message number: 106
Message text: Number range number &1 has no FromDate assigned
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The SAP error message SIAO_DEL106 indicates that a number range (identified by the number range object &1) does not have a "From Date" assigned. This typically occurs in the context of number range management, where a number range is expected to have a defined validity period.
Cause: The error is caused by the absence of a "From Date" for the specified number range. In SAP, number ranges can be defined with validity periods, and if a number range is missing this date, the system cannot determine when the number range is valid, leading to this error.
Solution: To resolve this error, you need to assign a "From Date" to the number range. Here are the steps to do this: Access Number Range Management: Go to transaction code SNRO (Number Range Object Maintenance). Enter the Number Range Object: Input the relevant number range object (the one indicated in the error message) and click on the "Change" button. Check the Number
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