Add new errno for overusage

slurm/slurm_errno.h

@@ -261,6 +261,7 @@ enum {
 	ESLURM_CLUSTER_DELETED,
 	ESLURM_ONE_CHANGE,
 	ESLURM_BAD_NAME,
+	ESLURM_OVER_USAGE,
 
 	/* plugin and custom errors */
 	ESLURM_MISSING_TIME_LIMIT       = 8000

src/common/slurm_errno.c

@@ -396,6 +396,8 @@ static slurm_errtab_t slurm_errtab[] = {
 	  "Can only change one at a time"                       },
 	{ ESLURM_BAD_NAME,
 	  "Unacceptable name given. (No '.' in name allowed)"   },
+	{ ESLURM_OVER_USAGE,
+	  "Request would go over available amount of usage"     },
 
 	/* plugin and custom errors */
 	{ ESLURM_MISSING_TIME_LIMIT,