This error occurs when an included TDL file (%s) is not found or does not exist.
Include the correct file with appropriate path. To avoid mistakes, use the feature Include Existing File or Include New File available on right-click inside the Tally.Developer 9 window, for including files.
A file myreports.tdl is included in a TDL file Main.tdl and The file myreports.tdl does not exist.
When this file is compiled, the message error T0001: Could not find the file 'myreports.tdl'. appears.