I see console 500 error logged on
PATCH https://fd-api.ncsa.illinois.edu/covercrop/api/users/vnarah2@illinois.edu/CLUs/654826/experiment_file_json

PATCH Body was:
[{"CONTENT":[

{"PPOP":"5","PPOE":"5","PLME":"S","PLDS":"R","PLRS":"76","PLRD":"0","PLDP":"5","PDATE":"20150922"}

],"PLNAME":"2015 None","EVENT":"planting"},{"CONTENT":[

{"HDATE":"20160421","HPC":"100","HSTG":"GS000"}

],"HNAME":"2015 None","EVENT":"harvest"}]