How to fix SAP error GB307?

What causes this issue? You used the field &V1& within a mathematical expression. The field is not valid in the expression. Only fields that can also make calculations are allowed to be used in the expression. Valid data types are amounts, quantities an numbers. Invalid data types are character strings like types, that are partially made up of character strings. Example: MATHS( SUM( <BSEG> $DMBTR ) > 0 ) allowed MATHS( SUM( <BSEG> $&V1& ) > 0 ) not allowed since field &v1& is not numerical The system issues an error message and will not allow you to continue with this transaction until the error is resolved. System Response The mathematical expression is recognized as containing an error and is not accepted.How to fix this error? Use fields in your mathematical expression with which you can perform mathematical operations. You can find additional information about using mathematical expression und the topic <DS:DE.BOOLEXP>Boolean syntax</>Error message extract from SAP system. Copyright SAP SE.

How To Fix GB307 - Field &1 not permitted in mathematical expressions

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SAP Error Message - Details

Message type: E = Error
Message class: GB - Messages used by the Boolean code generator
Message number: 307
Message text: Field &1 not permitted in mathematical expressions
Show details Hide details
What causes this issue?
You used the field &V1& within a mathematical expression. The field
is not valid in the expression.
Only fields that can also make calculations are allowed to be used in
the expression. Valid data types are amounts, quantities an numbers.
Invalid data types are character strings like types, that are partially
made up of character strings.
Example:
MATHS( SUM( <BSEG> $DMBTR ) > 0 ) allowed
MATHS( SUM( <BSEG> $&V1& ) > 0 ) not allowed since field
&v1& is not numerical
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
System Response
The mathematical expression is recognized as containing an error and
is not accepted.
How to fix this error?
Use fields in your mathematical expression with which you can perform
mathematical operations.
You can find additional information about using mathematical expression
und the topic <DS:DE.BOOLEXP>Boolean syntax</>

Error message extract from SAP system. Copyright SAP SE.

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