Error codes you may encounter as you work with PC*MILER Rail-Connect are listed below.
| NUMBER | ERROR CODE | ERROR MESSAGE |
| 0 | PCRS_OK | Success |
| -1 | PCRS_NOTOK | Generic Failure |
| -104 | PCRS_LOADNETWORK | Could not load the network database. |
| -107 | PCRS_BADNETDIR | Invalid 'NetDir' setting in INI file. |
| -108 | PCRS_EXPIRED | License infraction: License has expired. |
| -112 | PCRS_NO_LICENSE_FILE | No license file exists. |
| -114 | PCRS_USER_LIMIT_EXCEEDED | User limit exceeded. |
| -201 | PCRS_BADARG | Invalid argument (or pointer) passed into API function. |
| -202 | PCRS_INVALIDPTR | Invalid pointer |
| -209 | PCRS_INVALIDTRIP | Invalid trip ID |
| -211 | PCRS_TRIP_NOTOK | Internal trip problem (possible creation error). |
| -213 | PCRS_SERVER_NOTOK | Internal server problem (possible creation error). |
| -214 | PCRS_APPDICTERR | Error getting App from AppDict. |
| -301 | PCRS_BADRRSCAC | Bad railroad abbreviation given. |
| -303 | PCRS_BADRRLOC | Bad location/railroad combination. |
| -317 | PCRS_INVALID_CITY_LEN | City Length is too long. |
| -319 | PCRS_INVALID_ERPC_LEN | ERPC Length is too long. |
| -320 | PCRS_INVALID_SPLC_LEN | SPLC Length is too long. |
| -321 | PCRS_INVALID_FSAC_LEN | FSAC Length is too long. |
| -322 | PCRS_INVALID_R260_LEN | R260 Length is too long. |
| -318 | PCRS_INVALID_STATE_ABBREV | Invalid State Abbreviation. |
| -323 | PCRS_NOJUNCTIONS | No Junctions found |
| -324 | PCRS_ERR_BADRRJCT | Inbound and Outbound Railroads do not junction at this location. |
| -304 | PCRS_BADSTOPINDX | Invalid stop number given. |
| -305 | PCRS_TOOFEWGEOCHARS | Insufficient characters given for geocode lookup. |
| -306 | PCRS_STOPNOCLEANUPS | No cleanups found for one or more stops in this trip. |
| -307 | PCRS_INVALIDPLACE | Invalid place name (station/state or geocode not found). |
| -308 | PCRS_BADORIGSTOP | Invalid Origin stop information. |
| -311 | PCRS_BADGEOINDX | Invalid geocode result index specified. |
| -312 | PCRS_BADPREVRRLOC | Bad location/RR: Previous RR does not serve this location. |
| -314 | PCRS_CONVFROMFSACERR | RR is required to convert from FSAC geocode to another type. |
| -315 | PCRS_CONVTOFSACERR | RR is required to convert a geocode to FSAC code. |
| -316 | PCRS_NOINTERMODAL | Station does not have intermodal service. |
| -325 | PCRS_ERR_STATION_EXCLUDED | Station Excluded because option is set to exclude intermodal only stations. |
| -404 | PCRS_TRIPNOTREADY | The trip is not ready to calculate. |
| -405 | PCRS_ROUTINGERROR | Calculation failed: Portions of the trip are invalid. |
| -406 | PCRS_NOTRIPLEGS | This trip contains no legs ... check for previous error. |
| -407 | PCRS_NOTENOUGHSTOPS | Not enough stops to calculate the trip. |
| -409 | PCRS_BADAUTORTEINDX | Invalid AutoRoute index specified. |
| -410 | PCRS_NOAUTOROUTES | No AutoRoutes have been generated. |
| -501 | PCRS_REPORTERR | Error getting report information. |
| -502 | PCRS_BADRPTROW | Invalid report line number requested. |
| -601 | PCRS_MAPCREATERR | Error creating map window. |
| -602 | PCRS_MAPREADERR | Error reading map initialization file. |
| -603 | PCRS_MAPRESIZEERR | Error resizing the PC*MILER Rail map (child) window. |
| -604 | PCRS_MAXGRROUTES | Cannot add route to map. Max routes already added. |
| -605 | PCRS_GRRTE_NOTFOUND | Cannot find given route in map. |
| -701 | PCRS_PINERR | Error mapping pin/line. |
| -702 | PCRS_PINGEOERR | Error geocoding pin or line location. |
| -608 | PCRS_MAP_INVALID_IMPORTANCE | Invalid Importance |
| -610 | PCRS_MAP_INVALID_LOCATION | Invalid Location |
| -609 | PCRS_MAP_INVALID_STYLE | Invalid Style |
| -607 | PCRS_MAP_INVALID_OBJID | Internal Map Error |
| -606 | PCRS_MAPLAYER_NOTFOUND | Layer on Map Not Found |