diff --git a/packages/integration/src/bitbucket/core.ts b/packages/integration/src/bitbucket/core.ts
index f5235d8189..e9a76d1ee0 100644
--- a/packages/integration/src/bitbucket/core.ts
+++ b/packages/integration/src/bitbucket/core.ts
@@ -32,10 +32,11 @@ export async function getBitbucketDefaultBranch(
 
   const isHosted = resource === 'bitbucket.org';
   // Bitbucket Server https://docs.atlassian.com/bitbucket-server/rest/7.9.0/bitbucket-rest.html#idp184
+  // Changed branchUrl to support Atlassian Bitbucket v5.11.1 , which has different branchUrl format
   const branchUrl = isHosted
     ? `${config.apiBaseUrl}/repositories/${project}/${repoName}`
-    : `${config.apiBaseUrl}/projects/${project}/repos/${repoName}/default-branch`;
-
+    : `${config.apiBaseUrl}/projects/${project}/repos/${repoName}/branches/default`;
+    
   const response = await fetch(branchUrl, getBitbucketRequestOptions(config));
   if (!response.ok) {
     const message = `Failed to retrieve default branch from ${branchUrl}, ${response.status} ${response.statusText}`;
diff --git a/packages/techdocs-common/src/stages/generate/helpers.ts b/packages/techdocs-common/src/stages/generate/helpers.ts
index e396157b92..73be0e8ff0 100644
--- a/packages/techdocs-common/src/stages/generate/helpers.ts
+++ b/packages/techdocs-common/src/stages/generate/helpers.ts
@@ -133,6 +133,10 @@ export const runCommand = async ({
 
     process.stderr.on('data', stream => {
       logStream.write(stream);
+      // added below change to make OS ( child process) exception to the backend logs
+      const bufferbase64 = Buffer.from(stream, 'base64');
+      const textAscii = bufferbase64.toString('ascii');
+      console.log(' Process Stderror trace: ', textAscii);
     });
 
     process.on('error', error => {