InterSystems Cache & Ensemble Error 977 – Attribute value %1 must be in $list format

In this blog post, let’s learn about the error message “977 Attribute value %1 must be in $list format” in InterSystems Cache & Ensemble and the description of the error message.

Error Message

977 – Attribute value %1 must be in $list format

Error Details

Attribute value %1 must be in $list format