| 0 | = | Mass Cancel Not Supported  | Added FIX.4.3
 |  | [MassCancelNotSupported] | 
| 1 | = | Invalid or unknown security  | Added FIX.4.3
Updated EP271
 |  | [InvalidOrUnknownSecurity] | 
| 2 | = | Invalid or unknown underlying security  | Added FIX.4.3
Updated EP271
 |  | [InvalidOrUnknownUnderlyingSecurity] | 
| 3 | = | Invalid or unknown product  | Added FIX.4.3
Updated EP271
 |  | [InvalidOrUnknownProduct] | 
| 4 | = | Invalid or unknown CFI Code  | Added FIX.4.3
Updated EP271
 |  | [InvalidOrUnknownCFICode] | 
| 5 | = | Invalid or unknown security type  | Added FIX.4.3
Updated EP271
 |  | [InvalidOrUnknownSecurityType] | 
| 6 | = | Invalid or unknown trading session  | Added FIX.4.3
Updated EP271
 |  | [InvalidOrUnknownTradingSession] | 
| 7 | = | Invalid or unknown market  | Added EP58
Updated EP271
 |  | [InvalidOrUnknownMarket] | 
| 8 | = | Invalid or unknown market segment  | Added EP58
Updated EP271
 |  | [InvalidOrUnkownMarketSegment] | 
| 9 | = | Invalid or unknown security group  | Added EP58
Updated EP271
 |  | [InvalidOrUnknownSecurityGroup] | 
| 10 | = | Invalid or unknown security issuer  | Added EP85
Updated EP271
 |  | [InvalidOrUnknownSecurityIssuer] | 
| 11 | = | Invalid or unknown issuer of underlying security  | Added EP85
Updated EP271
 |  | [InvalidOrUnknownIssuerOfUnderlyingSecurity] | 
| 99 | = | Other  | Added FIX.4.4
 |  | [Other] |