Added the FailedToExecutePython exception and corrected the comments of

the InvalidConfiguration exception.

This commit works towards implementing the following RFE:

bug #68020: RFE: The mighunter should gracefully stop when it encounters an invalid migration-policy or stream-policy function-name

mediachanger/castorrmc/common/serror.c

@@ -64,6 +64,7 @@ char    *sys_serrlist[SEMAXERR-SEBASEOFF+2]=
    "No port in range",
    "No value",
    "Invalid configuration",
+   "Failed to execute Python",
    "BAD ERROR NUMBER"
   };
 

mediachanger/castorrmc/h/serrno.h

@@ -77,8 +77,9 @@
 #define SENOPORTINRANGE SEBASEOFF+41    /* No port in range             */
 #define SENOVALUE       SEBASEOFF+42    /* No value                     */
 #define SEINVALIDCONFIG SEBASEOFF+43    /* Invalid configuration        */
+#define SEPYTHONEXEC    SEBASEOFF+44    /* Failed to execute Python     */
 
-#define SEMAXERR        SEBASEOFF+43    /* Maximum error number         */
+#define SEMAXERR        SEBASEOFF+44    /* Maximum error number         */
 
 #define SERRNO  (serrno - SEBASEOFF)    /* User convenience             */
 /*

mediachanger/castorrmc/h/serrno.man

@@ -184,6 +184,9 @@ The following error values might be returned by any package:
 .TP
 .B SEINVALIDCONFIG
 (1043) Invalid configuration
+.TP
+.B SEPYTHONEXEC
+(1044) Failed to execute Python
 
 .SH COPYTAPE ERRORS
 None yet