diff --git a/externalLinks b/externalLinks
index b400909..992293f 100755
--- a/externalLinks
+++ b/externalLinks
@@ -4,8 +4,8 @@
 
 version () {
     echo '$Author: zimoch $' >&2
-    echo '$Date: 2018/07/06 09:37:45 $' >&2
-    echo '$Revision: 1.24 $' >&2
+    echo '$Date: 2018/07/06 09:38:34 $' >&2
+    echo '$Revision: 1.25 $' >&2
     echo '$Source: /cvs/G/EPICS/App/scripts/externalLinks,v $' >&2
     exit 1
 }
@@ -459,10 +459,12 @@ function expandFile () {
         fieldvalue[record,field] = value 
         definition[record,field] = filename ":" line
         if (value == "") next
-        if (!isfield[rtype,field]) {
+        knownproblem=known[filename,line,rtype,field,value]
+        known[filename,line,rtype,field,value]=1
+        if (!isfield[rtype,field] && !knownproblem) {
             printf("%s:%d\n\t%s record \"%s\"\n\tUnknown field %s. Known fields:\n%s",
                 filename, line, rtype, record, field, fields[rtype]) > "/dev/stderr"
-        } else if (isnoaccess[rtype,field]) {
+        } else if (isnoaccess[rtype,field] && !knownproblem) {
             printf("writing \"%s\" to NOACCESS field %s.%s\n",
                 value, record, field) > "/dev/stderr"
         } else if (islink[rtype,field]) {
@@ -477,17 +479,17 @@ function expandFile () {
         } else if (value ~ /\$\(.*\)/) {
         } else if (isdevice[rtype,field]) {
             if (iolink[record]) {
-                if (!dtyp[record]) {
+                if (!dtyp[record] && !knownproblem) {
                     printf("%s defined after %s in record %s\n",
                         field, iolink[record], record) > "/dev/stderr"
                 }
             }
-            if (!definition[rtype,value]) {
+            if (!definition[rtype,value] && !knownproblem) {
                 printf("%s:%d\n\t%s record \"%s\" field %s\n\tUnknown device type \"%s\". Known types:\n%s",
                     filename, line, rtype, record, field, value, devices[rtype]) > "/dev/stderr"
             } else {
                 if (modulename[rtype,value] && !required[modulename[rtype,value]]) {
-                    if (debug) {
+                    if (debug && !knownproblem) {
                         printf ("%s \"%s\" for record type %s requires \"%s\"\n",
                             field, value, rtype, modulename[rtype,value]) > "/dev/stderr"
                     }
@@ -496,6 +498,8 @@ function expandFile () {
             }
             soft = issoft[rtype,value]
             dtyp[record] = value
+        } else if (knownproblem) {
+            next
         } else if (menu != "") {
             if (!ischoice[menu,value]) {
                 if (value != int(value) || value < 0)