--- freem/src/errmsg.h	2025/05/20 16:20:42	1.4
+++ freem/src/errmsg.h	2026/03/14 21:04:51	1.5
@@ -1,5 +1,5 @@
 /*
- *   $Id: errmsg.h,v 1.4 2025/05/20 16:20:42 snw Exp $
+ *   $Id: errmsg.h,v 1.5 2026/03/14 21:04:51 snw Exp $
  *    error message definitions
  *
  *  
@@ -24,6 +24,9 @@
  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
  *
  *   $Log: errmsg.h,v $
+ *   Revision 1.5  2026/03/14 21:04:51  snw
+ *   Fix segfault in OPEN command with I/O channel specified but no file
+ *
  *   Revision 1.4  2025/05/20 16:20:42  snw
  *   Update ROUTINE SSVN after ZEDIT and ZSAVE
  *
@@ -68,7 +71,7 @@ char    errmes[MAXERR][ERRLEN] = {
     "too many parameters\201",      /* TOOPARA  */
     "unit not open\201",            /* NOPEN    */
     "unit does not exist\201",      /* NODEVICE */
-    "file protection violation\201",/* PROTECT  */
+    "current user lacks sufficient rank and station to access this file\201",/* PROTECT  */
     "global not permitted\201",     /* GLOBER   */
     "file not found\201",           /* FILERR   */
     "program overflow\201",         /* PGMOV    */
@@ -100,7 +103,7 @@ char    errmes[MAXERR][ERRLEN] = {
     "error in READ from socket\201",                        /* SCKERCV */
     "error in WRITE to socket\201",                         /* SCKESND */
     "^$ZRPI only supported on Raspberry Pi hardware\201",   /* NORPI */                         
-    "cannot redefine ZCONST\201",                            /* CREDEF */
+    "cannot redefine CONST\201",                            /* CREDEF */
     "cannot modify CONST\201",                              /* CMODIFY */
     "cannot open existing file for WRITE\201",              /* FILEXWR */
     "initializing NEW with multiple setarguments not supported\201", /* INEWMULT */
@@ -178,17 +181,17 @@ char    errmes[MAXERR][ERRLEN] = {
     " \201",
     " \201",
     " \201",
-    "naked indicator undefined\201",                        /* 140 - M1 */                    
+    "the naked indicator is, at the present moment, undefined\201",                        /* 140 - M1 */                    
     "invalid combination with $FNUMBER code atom\201",      /* M2 */
     "$RANDOM seed less than 1\201",                         /* M3 */
-    "no true condition in $SELECT\201", /* M4 */
+    "the use of $SELECT without a true condition is quite illegal\201", /* M4 */
     "line reference less than zero\201", /* M5 */
-    "undefined local variable\201", /* M6 */
-    "undefined global variable\201", /* M7 */
-    "undefined intrinsic special variable\201", /* M8 */
-    "divide by zero\201", /* M9 */
-    "invalid pattern match range\201", /* M10 */
-    "no parameters passed\201", /* 150 - M11 */     
+    "the local with which you have attempted to engage is not defined\201", /* M6 */
+    "the global with which you have attempted to engage is not defined\201", /* M7 */
+    "the intrinsic special variable with which you have attempted to engage is not defined\201", /* M8 */
+    "one cannot divide by zero and expect a reasonable result\201", /* M9 */
+    "the pattern match range herein atttempted is not valid\201", /* M10 */
+    "no parameters have been passed\201", /* 150 - M11 */     
     "invalid line reference (negative offset)\201", /* M12 */
     "invalid line reference (line not found)\201", /* M13 */
     "line level not 1\201", /* M14 */