Transferring a delphi software to lazarus causes ibxeFieldSizeError in DBGrids lazarus / 16-Databases ---------------------------------------------------------------------- matthius · 2012-11-21 14:40 If you :  - have set charsets of database connection to UTF8 ( Firebird connection param is 'lc_ctype=UTF8' )  - have correct field sizes You must, in column properties, set MinSize and MaxSize 4 *larger than field's size is set, because some special chars of UTF8 can be 4* larger.