diff --git a/e2e-tests/init/ai-chat.js b/e2e-tests/init/ai-chat.js
index 3c8c72966..97b165f2f 100644
--- a/e2e-tests/init/ai-chat.js
+++ b/e2e-tests/init/ai-chat.js
@@ -103,7 +103,7 @@ function ensureDependencies(dir, checkFile) {
     env: process.env,
   });
   if (result.status !== 0) {
-    throw new Error(`DBGM-00000 Failed to install dependencies in ${dir}`);
+    throw new Error(`DBGM-00297 Failed to install dependencies in ${dir}`);
   }
 }
 
@@ -135,7 +135,7 @@ async function waitForReady(url, timeoutMs = 30000) {
     }
     await delay(500);
   }
-  throw new Error(`DBGM-00000 Server at ${url} did not start in time`);
+  throw new Error(`DBGM-00305 Server at ${url} did not start in time`);
 }
 
 // --- Main ---
diff --git a/e2e-tests/init/rest.js b/e2e-tests/init/rest.js
index 46c3a1e13..00a4879db 100644
--- a/e2e-tests/init/rest.js
+++ b/e2e-tests/init/rest.js
@@ -27,7 +27,7 @@ async function waitForApiReady(timeoutMs = 30000) {
     await delay(500);
   }
 
-  throw new Error('DBGM-00000 test-api did not start on port 4444 in time');
+  throw new Error('DBGM-00306 test-api did not start on port 4444 in time');
 }
 
 function readProcessStartTime(pid) {
@@ -116,7 +116,7 @@ function ensureTestApiDependencies() {
   });
 
   if (result.status !== 0) {
-    throw new Error('DBGM-00000 Failed to install test-api dependencies');
+    throw new Error('DBGM-00307 Failed to install test-api dependencies');
   }
 }
 
diff --git a/packages/api/src/controllers/databaseConnections.js b/packages/api/src/controllers/databaseConnections.js
index 8623629b5..9df83ca63 100644
--- a/packages/api/src/controllers/databaseConnections.js
+++ b/packages/api/src/controllers/databaseConnections.js
@@ -595,7 +595,7 @@ module.exports = {
         try {
           existing.subprocess.send({ msgtype: 'ping' });
         } catch (err) {
-          logger.error(extractErrorLogData(err), 'DBGM-00000 Error pinging DB connection');
+          logger.error(extractErrorLogData(err), 'DBGM-00308 Error pinging DB connection');
           this.close(conid, database);
         }
       }
@@ -650,7 +650,7 @@ module.exports = {
       for (const [msgid, entry] of Object.entries(this.requests)) {
         const [resolve, reject, additionalData, reqConid, reqDatabase] = entry;
         if (reqConid === conid && reqDatabase === database) {
-          reject('DBGM-00000 Database connection closed');
+          reject('DBGM-00309 Database connection closed');
           delete this.requests[msgid];
         }
       }
diff --git a/packages/api/src/controllers/sessions.js b/packages/api/src/controllers/sessions.js
index 9d06e9f6d..1f5dc0a99 100644
--- a/packages/api/src/controllers/sessions.js
+++ b/packages/api/src/controllers/sessions.js
@@ -235,7 +235,7 @@ module.exports = {
       throw new Error('Invalid session');
     }
 
-    logger.info({ sesid, level }, 'DBGM-00000 Setting transaction isolation level');
+    logger.info({ sesid, level }, 'DBGM-00315 Setting transaction isolation level');
     session.subprocess.send({ msgtype: 'setIsolationLevel', level });
 
     return { state: 'ok' };
diff --git a/packages/rest/src/oDataDriver.ts b/packages/rest/src/oDataDriver.ts
index 478a00dba..2d63981b3 100644
--- a/packages/rest/src/oDataDriver.ts
+++ b/packages/rest/src/oDataDriver.ts
@@ -24,7 +24,7 @@ function resolveServiceRoot(contextUrl: string | undefined, fallbackUrl: string)
 
 async function loadODataServiceDocument(dbhan: any) {
   if (!dbhan?.connection?.apiServerUrl1) {
-    throw new Error('DBGM-00000 OData endpoint URL is not configured');
+    throw new Error('DBGM-00330 OData endpoint URL is not configured');
   }
 
   const response = await dbhan.axios.get(dbhan.connection.apiServerUrl1, {
@@ -33,11 +33,11 @@ async function loadODataServiceDocument(dbhan: any) {
 
   const document = response?.data;
   if (!document || typeof document !== 'object') {
-    throw new Error('DBGM-00000 OData service document is empty or invalid');
+    throw new Error('DBGM-00331 OData service document is empty or invalid');
   }
 
   if (!document['@odata.context']) {
-    throw new Error('DBGM-00000 OData service document does not contain @odata.context');
+    throw new Error('DBGM-00332 OData service document does not contain @odata.context');
   }
 
   return document;