eSim - Error in NGHDL window

Error in NGHDL window

After I upload the .vhdl file, on the black terminal below, it's shwing as done, then error 1 and the window closes automatically.
I have uploaded a pic below, after the whole text in terminal is displayed, the window terminates automatically.
Please help me with the issue asap.

eSim 04-05-21, 3:29 p.m. kishan1823

This question shows research effort; it is useful and clear

This question does not show any research effort; it is not useful and unclear

its very hard to examine the text in the image, can you type the error messages you saw in the comments here

04-05-21, 5:26 p.m. Saurabhb17

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