SUMMARY:
This issue has been classified as a defect by Strategy. The impact is for Strategy Command Manager 9.4.x onwards when trying to create a security filter using a Big Decimal Data type. A solution/code fix for this issue is available in current releases and a workaround is provided in the following document.
SYMPTOM:
When trying to create a security filter based on a column that has an underlying Big Decimal data type in Command Manager, when editing the security filter back in Developer, it will be noticed that the security filter has a default value of -2147483648.

STEPS TO REPRODUCE:
CREATE SECURITY FILTER "Security FIlter CM" FOLDER "Project Objects\MD Security Filters" IN PROJECT "Case 825865" EXPRESSION "Id@ID=6123057956188547100";
In which ID has a data type of BigDecimal.
CAUSE:
This is a known issue in Strategy Command Manager 9.4.1 - 10.x.
ACTION:
Strategy will continue to investigate and post updates as soon as they are available.
WORKAROUND:
As a workaround, put the entire expression in single quotes, and put the BigDecimal ID in double quotes as seen below:
CREATE SECURITY FILTER "Security FIlter CM" FOLDER "Project Objects\MD Security Filters" IN PROJECT "Case 825865" EXPRESSION ‘Id@ID=”6123057956188547100"’;