Fatal errors typically begin with a message Exit -1 routine-name message, indicating where and why the program failed.
Sometimes non-fatal, warning messages are given. Usually the message has “(warning)“ or something similar. If the warning is severe, there will be an accompanying exclamation mark, e.g. warning!, which will be logged. For more details see severe warnings in troubleshooting.
In the page below, common error messages are shown together with a brief explanation and solution. Some of the same messages are explained in more detail on the troubleshooting page.
Table of Contents
- unexpected value val1 for file rmt … expected val2
- Problem: this error appears when the restart file (rst.ext or rsta.ext) contains augmentation radii that conflict with the input file.
Solution: Delete the rst.* file.
- RSEQ : nit gt 999 and bad nodes for l=2. Sought 0 but found 1. e=-2.0811D-01
- Problem: this error may occur for a myriad of reasons.
Solution: There is no one single solution. See troubleshooting.
- (warning): non-integral number of electrons — possible band crossing at E_f
- Problem: In finding a Fermi level the integrator assigns weights to each state. This message is printed when the sum of weights don’t add up to an integral number of electrons.
Solution: As you proceed to self-consistency it may go away. If not, you need to modify your k mesh, or switch to sampling. It is important the the number of electrons be correctly counted. See also troubleshooting.
- Exit -1 problem in locpot – possibly low LMXA, or orbital mismatch, species nam
- Problem: this error usually occurs when lmfa generate an atm file with a different valence-core partition than is specified by the input file; see description in troubleshooting.
Solution: Re-run lmfa with current conditions.
- warning! local orbital mismatch
- Problem: lmf has found that the local orbitals specified in the input file are not consistent with those in the restart file. See also the troubleshooting page.
Solution: remove rst.ext and re-run lmf.
- Exit -1 zhev: zhegv cannot find all evals
- Problem: The diagonalizer was unable to calculate all of the eigenvalues. This can happen for several reasons.
Solutions: see the troubleshooting page.
- Exit -1 rdsigm: Bloch sum deviates more than allowed tolerance
- Problem: A failure to carry out an inverse Bloch sum of the QSGW self-energy to sufficient accuracy. This is described in more detail on the troubleshooting page.
- hsfp0 ixc=3: ecore>evalence
- Problem: Some core state is higher than the lowest valence state.
Solution: See the troubleshooting page.
- FERMI: Fermi energy lies above EMAX
- Problem: this error is produced by the Fermi level finder, heftet. and indicates that it is unable to find a sensible Fermi level.
This can occur for several reasons, but the most common one is related to a bug in the GW codes. As they are now written, all spheres must have the same augmentation l-cutoff, lmxa.
Solution: Change input file to make LMXA the same for all atoms.
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