Issue Generating APEX Input Files in QAPEX for my Watershed
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Anmol Singh
Feb 21, 2026, 8:29:41 AM (3 days ago) Feb 21
to EPIC / APEX Modeling Forum
Hello APEX Team,
I am using QAPEX for my watershed, which covers approximately 3,500 km². I successfully completed steps 1 and 2; however, I am encountering an issue at step 3 when generating input files for APEX. I have attached screenshots of the steps I followed (see SS_1–SS_7.png). After completing step 2, I am able to view the report text files.
The problem arises when I attempt to write APEX input files for APEX Soils and APEX Subarea. Every time I try this process, the application freezes (see SS_8.png). I have left it running for more than a day, but it remains in the same state.
I would appreciate any guidance you could provide to help resolve this issue.
I am using QAPEX for my watershed, which covers approximately 3,500 km². I successfully completed steps 1 and 2; however, I am encountering an issue at step 3 when generating input files for APEX. I have attached screenshots of the steps I followed (see SS_1–SS_7.png). After completing step 2, I am able to view the report text files.
The problem arises when I attempt to write APEX input files for APEX Soils and APEX Subarea. Every time I try this process, the application freezes (see SS_8.png). I have left it running for more than a day, but it remains in the same state.
I would appreciate any guidance you could provide to help resolve this issue.
Best regards,
Anmol Singh
Graduate Research Assistant
Department of Biological & Agricultural Engineering
Texas A&M University | College Station, TX 77843
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