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I got the error when running Vasp Calculation: Error EDDDAV: Call to ZHEGV failed. Returncode = 11 1 1. Can any one help me solve this problem?

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This should be a diagonalization routine error. You can try to change IALGO parameter (48 or 38).

I would recommend you also try to run your calculation on a different number of processors and/or switch LSCALAPACK to FALSE in your INCAR file.

If the error persists, you can try to switch the LPLANE flag to FALSE (if not done already).

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