Error while choosing right partitioning scheme

[Mukta Joshi]

ERROR: partitionmodelplen.cpp:146: virtual double PartitionModelPlen::optimizeParameters(int, bool, double, double): Assertion `cur_lh > tree_lh - 1.0 && "individual model opt reduces LnL"' failed.
ERROR: STACK TRACE FOR DEBUGGING:
ERROR: 1   funcAbort()
ERROR: 2   ()
ERROR: 3   gsignal()
ERROR: 4   abort()
ERROR: 5   ()
ERROR: 6   PartitionModelPlen::optimizeParameters(int, bool, double, double)
ERROR: 7   IQTree::optimizeModelParameters[abi:cxx11](bool, double)
ERROR: 8   computeFastMLTree(Params&, Alignment*, ModelCheckpoint&, ModelsBlock*, int&, int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)
ERROR: 9   runModelFinder(Params&, IQTree&, ModelCheckpoint&)
ERROR: 10   startTreeReconstruction(Params&, IQTree*&, ModelCheckpoint&)
ERROR: 11   runPhyloAnalysis(Params&, Checkpoint*)
ERROR: 12   main()
ERROR: 13   __libc_start_main()
ERROR: 14   ()
ERROR:
ERROR: *** IQ-TREE CRASHES WITH SIGNAL ABORTED
ERROR: *** For bug report please send to developers:
ERROR: ***    Log file: FcC_supermatrix_partition.txt.log
ERROR: ***    Alignment files (if possible)
/var/spool/slurmd/job2640313/slurm_script: line 12: 38684 Aborted                 (core dumped) iqtree -s concatenated_4.phy -p FcC_supermatrix_partition.txt -m TESTMERGEONLY -nt 1 -safe