I haven't worked with Templates, but I have seen this type of error when
compiling XLS to DRL. The line and column numbers refer to the generated
DRL. For spreadsheet debugging, I use code like this:
DecisionTableConfiguration dtconf =
KnowledgeBuilderFactory.newDecisionTableConfiguration();
dtconf.setInputType(DecisionTableInputType.XLS);
String drlString =
DecisionTableFactory.loadFromInputStream(ResourceFactory.newFileResource(path).getInputStream(),
dtconf);
and then look at the generated drlString at the line number cited in the
exception, to find the offending rule.
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