TUFLOW Message 1513
ERROR 1513 - Input variable in line below has not previously been defined. Operating Control Line = If 'a' == 'b'; Operating Control Input Variable = 'a'
User defined variables used in the IF logic has not previously been defined.
Define operating variable. Scenarios aren't currently supported in the .toc file, different .toc file can be read in as a scenario in .ecf.
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