| iNTERFACEWARE Products Manual > Installing and Using Chameleon > Troubleshooting > Parsing Troubleshooting > Ensuring Non-present Required Fields Throw Exceptions | 
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 By default, Chameleon does not throw an error even when a field is set as required. However, this is easily fixed by enabling Strict Grammar Checking under Chameleon > Options > Misc. when creating the VMD file. For more information, see Misc. |