SNP column name cannot found when used SPrediXcan

[whecrane]

Hi Alvaro,
I have an error when I followed the tutorial of SPrediXcan. It seems that the GWAS file I prepared is the same as the example.
I wonder why the SNP column name can not find. Thank you very much .

Best wishes,
Crane King

PS:
The head of the GWAS file:
SNP CHR BP A1 A2 Z N FRQ beta se z pval
rs11250701 10 1689546 A G 0.514064827551 10480.9119402 0.3588 0.00986809128193 0.0115398329315 0.855132941739 0.392477554721
rs3750679 10 1228623 T C 0.286823567907 11272.3267685 0.3181 0.003938126234 0.0115548679411 0.340819666142 0.733239344476
rs1079389 10 1161980 A G -1.33442191526 12795.4215107 0.0616 -0.0158727319187 0.0213125995792 -0.74475813519 0.456417947609
rs904962 10 1372501 T C 0.388541499779 9608.96696345 0.0726 0.00469197622864 0.0220624100173 0.21266834516 0.831585658841

The error:
./SPrediXcan.py \

--model_db_path /media/EXTend2018/Wanghe2019/traits/TwosampleMR/JTI/MetaXcan/data/PsychENCODE_brain_prefrontal_cortex.db
--covariance /media/EXTend2018/Wanghe2019/traits/TwosampleMR/JTI/MetaXcan/data/covariance.PsychENCODE.txt.gz
--gwas_folder /media/EXTend2018/Wanghe2019/traits/TwosampleMR/JTI/MetaXcan/data
--gwas_file_pattern ".*gz"
--snp_column SNP
--effect_allele_column A1
--non_effect_allele_column A2
--beta_column beta
--pvalue_column pval
--output_file /media/EXTend2018/Wanghe2019/traits/TwosampleMR/JTI/MetaXcan/result/test.csv
INFO - Processing GWAS command line parameters
INFO - Building beta for BIP_mtag.txt.gz and /media/EXTend2018/Wanghe2019/traits/TwosampleMR/JTI/MetaXcan/data/PsychENCODE_brain_prefrontal_cortex.db
INFO - Reading input gwas with special handling: /media/EXTend2018/Wanghe2019/traits/TwosampleMR/JTI/MetaXcan/data/BIP_mtag.txt.gz
INFO - Processing input gwas
INFO - Aligning GWAS to models
INFO - Trimming output
INFO - Building beta for PsychENCODE.txt.gz and /media/EXTend2018/Wanghe2019/traits/TwosampleMR/JTI/MetaXcan/data/PsychENCODE_brain_prefrontal_cortex.db
INFO - Reading input gwas with special handling: /media/EXTend2018/Wanghe2019/traits/TwosampleMR/JTI/MetaXcan/data/PsychENCODE.txt.gz
ERROR - Did not find snp colum name