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https://help.tallysolutions.com/docs/td9rel54/td9/using_output_window/build_tab.htm

Build Tab

In this window, the status of Compile or Build activities and any message related to them are shown.

Whenever an error occurs during compiling or building process, the error messages and warnings are displayed in this window. It allows navigation to the error location on double clicking, and copying the text to clipboard.

For example :

The following window shows the result of compiling a file.