PG::ProtocolViolation Error "Invalid message format" when updating default value of a smart class parameter in Red Hat Satellite 6

Issue

• When updating a default value of smart class parameter, the page will return an error:

  Oops, we're sorry but something went wrong PG::ProtocolViolation: ERROR: invalid message format : SELECT "taxonomies".* FROM "taxonomies" WHERE "taxonomies"."id" IN ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18, $19, $20, $21, $22, $23, $24, $25, $26, $27, $28, $29, $30, $31, $32, $33, $34, $35, $36, $37, $38, $39, $40, $41, $42, $43, $44, $45, $46, $47, $48, $49, $50, $51, $52, $53, $54, $140, $141, $142, $143, $144, $145, $146, $147, $148, $149, $150, $151, $152, $153, $154, $155 .. <record truncated> .. $270146, $270147, $270148, $270149, $270150, $270151, $270152, $270153, $270154, $270155, $270156, $270157, $270158, $270159, $270160, $270161, $270162, $270163, $270164) ORDER BY "taxonomies"."title" ASC