Error: Variable 'ids' has an invalid value: Coerced Null value for NonNull type 'String!': {"response":{"errors":[{"message":"Variable 'ids' has an invalid value: Coerced Null value for NonNull type 'String!'","locations":[{"line":2,"column":17}],"extensions":{"classification":"ValidationError"}}],"data":null,"status":200,"headers":{}},"request":{"query":"\nquery entities ($ids: [String!]!) {\n nonpolymer_entities(entity_ids:$ids) {\n rcsb_nonpolymer_entity_container_identifiers {\n nonpolymer_comp_id\n rcsb_id\n }\n nonpolymer_entity_instances {\n rcsb_nonpolymer_entity_instance_container_identifiers {\n auth_seq_id\n auth_asym_id\n asym_id\n entity_id\n entry_id\n }\n rcsb_nonpolymer_instance_validation_score {\n RSCC\n RSR\n alt_id\n completeness\n intermolecular_clashes\n is_best_instance\n mogul_angle_outliers\n mogul_angles_RMSZ\n mogul_bond_outliers\n mogul_bonds_RMSZ\n ranking_model_fit\n ranking_model_geometry\n score_model_fit\n score_model_geometry\n stereo_outliers\n average_occupancy\n type\n is_subject_of_investigation\n is_subject_of_investigation_provenance\n }\n rcsb_target_neighbors {\n target_entity_id\n }\n }\n }\n}","variables":{"ids":[null]}}}