IBM 6400 Programmer's Reference Manual page 161

Specification Check-Graphics — X
The following exception codes are the valid codes for a graphics specification
check condition:
Explanation:
1. An attempt was made to execute an unallocated order code that is reserved
2. An attempt was made to execute an unallocated command code that is
Alternate Exception Action: None.
Explanation:
1. A reserved byte in the graphic order is not set to zero.
2. The Set Current Defaults instruction attempts, in byte 2, to set an invalid or
3. An invalid default byte value was received in the GDD.
Alternate Exception Action: None.
Explanation: A drawing order length is invalid.
Alternate Exception Action: None.
Explanation: An attribute value for a graphic order or for a WGC Set Current
Default instruction is invalid.
Alternate Exception Action: Use the standard default value for that attribute.
Explanation: An order has been requested that is not a complete order. This
order is one of the following:
1. A fixed 2-byte order and the second byte is not in the segment.
2. A long order and the length byte is not in the segment.
3. A long order and the number of bytes following the byte containing the
03
'
X ' 030001 ' Unallocated Graphic Order or Command Code
for future use.
reserved for future use.
X ' 030002 ' Reserved Byte Error or Invalid Default
unsupported attribute.
X ' 030003 ' Incorrect Drawing Order Length
X ' 030004 ' Invalid Attribute Value
X ' 030008 ' Truncated Order Error
length count to the end of the segment is less than the value of the length
count.
'
Appendix A. IPDS Exception Reporting Codes
X 030001 X 030008
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