header mis-interpretation

[ssbertilson]

Using TAB delimited header (-T) when running v3.1.6:
A file with the header that I've attached is generating an error that makes it appear that it is parsing the header with additional field separators:
export_csv_20230418-185741-header.csv

The error I'm seeing:
Bad header row: Header must contain only strings and not numbers or empty strings: 'Start Netmask Prefix Name Terminal Class,param:,domain Class,param:,mid Class,param:,workgroup Class,param:,region Class,param:,vrf Class,param:,eip_acls Class,param:,dhcp_failover_name Class,param:,gateway Network,class,parameters,(all)'
'param:': Column name is duplicated
Traceback (most recent call last):
File "", line 1540, in _execute
File "", line 1507, in _ensure_data_is_loaded
File "", line 1485, in _load_data
File "", line 1125, in populate
File "", line 1091, in _populate
File "", line 1149, in _insert_row
File "", line 1250, in try_to_create_table
File "", line 649, in analyze
File "", line 714, in do_analysis
File "", line 766, in infer_column_names
BadHeaderException: Header must contain only strings and not numbers or empty strings: 'Start Netmask Prefix Name Terminal Class,param:,domain Class,param:,mid Class,param:,workgroup Class,param:,region Class,param:,vrf Class,param:,eip_acls Class,param:,dhcp_failover_name Class,param:,gateway Network,class,parameters,(all)'
'param:': Column name is duplicated