From GridLAB-D Wiki
The no_deprecate global variable suppressed deprecated usage when set to 1 or TRUE. By default no_deprecate is set to 0 or FALSE.
Deprecated usage is flagged for any capabilities or features that are considered obsolete and will be removed in future versions of GridLAB-D.
GLM
#set no_deprecate=1
Command line
host% gridlabd -D no_deprecate=1