diff --git a/packages/basic.gblib/services/SystemKeywords.ts b/packages/basic.gblib/services/SystemKeywords.ts
index b2992758..70c5001b 100644
--- a/packages/basic.gblib/services/SystemKeywords.ts
+++ b/packages/basic.gblib/services/SystemKeywords.ts
@@ -1673,7 +1673,7 @@ export class SystemKeywords {
 
     function process(key, value, o) {
       if (value === '0000-00-00') {
-        o[key] = '1970-01-01 00:00:00.000'
+        o[key] = null;
       }
 
     }
diff --git a/src/app.ts b/src/app.ts
index ecdd763c..fa6eb9ac 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -109,6 +109,14 @@ export class GBServer {
       GBLog.info('SIGTERM signal received.');
     });
 
+    process.on('uncaughtException', (err, p) => {
+      if (err !== null) {
+        err = err['e'] ? err['e'] : err;
+        GBLog.error(`UNCAUGHT_EXCEPTION:  ${err.toString()} ${err['stack'] ? '\n' + err['stack'] : ''}`);
+      } else {
+        GBLog.error('UNCAUGHT_EXCEPTION: Unknown error (err is null)');
+      }
+    });
     // Creates working directory.
 
     process.env.PWD = process.cwd();