0020 Function Key not allowed in this field : type FieldExit first. 0026 Can't use Field- : last character is not a digit (0-9). 0002 Invalid key code : check keyboard configuration. 0040 Can't send data : workstation not invited. Please wait... 0009 Embeded nulls are not allowed in this field. 0011 Last position of numeric field is reserved for sign. 0013 Can't exit field while in Insert Mode. 0006 Field only accepts digits (0-9). 0009 Character not allowed in numeric field. 0008 Character not allowed in alphabetic field. 0019 Dup Key not allowed in this field. 0004 Field reserved for light-pen or magnetic-reader. 0010 Character not allowed in Signed Numeric field. 0013 Key is not allowed in Insert Mode. 0018 FieldExit required to exit field. 0018 Field+, Field- or FieldExit required to exit field. 0007 Field must be entered. 0014 Field must be completely filled or left blank.