A problem with a table data is occurs, maybe you or somebody else delete it from database. Or something get wrong. Please delete the table in WordPress Dashboard and create it again. Or contact the plugin developer.
string(139) "[["SNAP IN "P"","SNP"],["Shorter tip of terminal, TPXX, where XX is tip length (under request)","TPXX, ex: TP20"],["Steel Terminals","SH"]]"
