Image information

Unable to perform query:SELECT SQL_CALC_FOUND_ROWS `sheffieldID`,`Ref_No_increment`,`History_Image_checkbox`,`Collection`,`Sub_Set`,`Date_Period`,`Image_Date`,`Title`,`Location`,`Sort_Order`,`MapArea`,`MapLong`,`MapLat`,`Popular_Themes`,`Historical_Maps`,`Map_Title`,`Internal_Map_Reference`,`Permissions_header`,`Class`,`Acc_No`,`Photographer`,`Image_Copyright`,`Commercial_Use`,`H_Q_Permissions_checkbox`,`H_Q_Permissions_Yes_single`,`H_Q_Permissions_No_single`,`Internet_Copyright_checkbox`,`Seq_and_Neg_No`,`Other_Information_header`,`Further_Information`,`PhotographerExtra_Information`,`CopyrightExtra_Information`,`Extra_Comments`,`Language_single`,`Format_single`,`Publishers_single`,`License_single`,`Audience_single`,`Copyright_checkbox`,`Hide_Record_checkbox`,`PAM_checkbox`,`Keywords`,`DateAmended`,`DateAmendedBy`,`DateCreated`,`DateCreatedBy` FROM `sheffield` WHERE (( `Ref_No_increment` RLIKE '(^|')) LIMIT 0, 10;Got error 'empty (sub)expression' from regexp