I downloaded the DeepMSA2 2.1 package, downloaded the data set, and installed the environment. Copied example2/seq.fasta to example3 and ran DeepMSA_noIMG on it. After 3 iterations, Segmentation Fault appeared, which was the error reported by qhmmbuild. In the end, qMSA.hmsa3m and qMSA.hmsaln were not generated. The run that caused the error was as follows: