| <name> | code | description |
| NULL | 1 | "Null pointer" |
| SIZE | 2 | "Invalid input size" |
| SZMM | 4 | "Size mismatch" |
| INT | 6 | "Invalid interval" |
| SAME | 8 | "Input/Output data vectors are the same" |
| FREQ | 10 | "Invalid frequency" |
| VAL | 12 | "Invalid value" |
PHMDH_E<name>,
and the status descriptions in
PHMDH_MSGE<name>. The source code with these messages is in PHMD.h on line l.192.