Troubleshooting of Claude: Difference between revisions

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~~{{Draft}}~~

== Troubleshooting of Claude ==

=== How to fix "Claude Cowork login stuck on browser screen when signing in with Gmail" ===

'''Symptoms'''

After installing [https://claude.com/product/cowork Claude Cowork] and attempting to sign in with a Gmail account, the browser window remains open and the login process never completes, preventing access to Claude.

'''Product Affected''': Claude Cowork

'''Suggested Workaround:'''

* Disable ad-blocking browser extensions (e.g. [https://ublockorigin.com/ uBlock Origin]) before signing in. These extensions can interfere with the OAuth authentication flow, causing the browser redirect to hang indefinitely.

~~== Troubleshooting of Claude ==~~

=== How to fix "stop_reason": "refusal" in Claude API ===

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Wiggle: Upload failed: 400 - File: 1120390382845847 - 5,176 -T

觀看•192個心情|#...txt (61013 bytes, text/plain) - URL:

/api/organizations/xxxx/conversations/47ef2ad3-ac54-4441-a67e-~~b1a188ce87cc~~/wiggle/upload-file

/api/organizations/xxxx/conversations/47ef2ad3-ac54-4441-a67e-xxx/wiggle/upload-file

</pre>

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# Use alternative method - Copy and paste the text content directly into the chat

# Rename file - Use a simple filename containing only English letters, numbers, and basic characters (avoid special symbols, spaces, or non-English characters)

# "To solve this, I had to: turn off Code execution and file creation feature and turn on the Analysis tool." Thanks, slacreddit! {{access | date = 2025-10-30}}<ref>[https://www.reddit.com/r/ClaudeAI/comments/1oh0wv9/claude_ai_upload_failed_due_to_a_network_issue/ Claude AI “Upload failed due to a network issue” — anyone else getting this since Oct 23? : r/ClaudeAI]</ref><ref>[https://status.claude.com/incidents/k1hywp210cxl Claude Status - Elevated errors with uploading files to claude.ai]</ref>

'''Additional Recommendations''':

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# Go back to your Workspaces overview, then click the menu icon (three dots) beside your workspace name and select "Manage API Keys"

# Access the "Limits" tab and configure your monthly spending cap (Monthly limit)

=== Fixing "Unknown OAuth client" When Connecting Notion MCP in Claude Code ===

'''Affected Version''': Claude Code 2.1.80+

'''Workaround:'''

If you encounter this error while connecting Notion MCP, try removing the existing HTTP transport installation and reinstalling it via `mcp-remote`:

<pre>bash

# Remove existing Notion MCP (if installed)

claude mcp remove notion

# Reinstall using mcp-remote

claude mcp add notion npx -- -y mcp-remote https://mcp.notion.com/mcp

</pre>

For a detailed step-by-step guide with screenshots, see: [https://errerrors.blogspot.com/2026/04/fixing-unknown-oauth-client-error-when.html Fixing "Unknown OAuth client" Error When Connecting Notion MCP in Claude Code] (written primarily in Traditional Chinese)

== Further reading ==

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-{{Draft}}
+== Troubleshooting of Claude ==
+=== How to fix "Claude Cowork login stuck on browser screen when signing in with Gmail" ===
+'''Symptoms'''
+After installing [https://claude.com/product/cowork Claude Cowork] and attempting to sign in with a Gmail account, the browser window remains open and the login process never completes, preventing access to Claude.
+'''Product Affected''': Claude Cowork
+'''Suggested Workaround:'''
+* Disable ad-blocking browser extensions (e.g. [https://ublockorigin.com/ uBlock Origin]) before signing in. These extensions can interfere with the OAuth authentication flow, causing the browser redirect to hang indefinitely.
-== Troubleshooting of Claude ==
 === How to fix "stop_reason": "refusal" in Claude API ===
@@ Line 65: / Line 73: @@
 Wiggle: Upload failed: 400 - File: 1120390382845847 - 5,176 -T
 觀看•192個心情|#...txt (61013 bytes, text/plain) - URL:
-/api/organizations/xxxx/conversations/47ef2ad3-ac54-4441-a67e-b1a188ce87cc/wiggle/upload-file
+/api/organizations/xxxx/conversations/47ef2ad3-ac54-4441-a67e-xxx/wiggle/upload-file
 </pre>
@@ Line 73: / Line 81: @@
 # Use alternative method - Copy and paste the text content directly into the chat
 # Rename file - Use a simple filename containing only English letters, numbers, and basic characters (avoid special symbols, spaces, or non-English characters)
+# "To solve this, I had to: turn off Code execution and file creation feature and turn on the Analysis tool." Thanks, slacreddit! {{access | date = 2025-10-30}}<ref>[https://www.reddit.com/r/ClaudeAI/comments/1oh0wv9/claude_ai_upload_failed_due_to_a_network_issue/ Claude AI “Upload failed due to a network issue” — anyone else getting this since Oct 23? : r/ClaudeAI]</ref><ref>[https://status.claude.com/incidents/k1hywp210cxl Claude Status - Elevated errors with uploading files to claude.ai]</ref>
 '''Additional Recommendations''':
@@ Line 115: / Line 124: @@
 # Go back to your Workspaces overview, then click the menu icon (three dots) beside your workspace name and select "Manage API Keys"
 # Access the "Limits" tab and configure your monthly spending cap (Monthly limit)
+=== Fixing "Unknown OAuth client" When Connecting Notion MCP in Claude Code ===
+'''Affected Version''': Claude Code 2.1.80+
+'''Workaround:'''
+If you encounter this error while connecting Notion MCP, try removing the existing HTTP transport installation and reinstalling it via `mcp-remote`:
+<pre>bash
+# Remove existing Notion MCP (if installed)
+claude mcp remove notion
+# Reinstall using mcp-remote
+claude mcp add notion npx -- -y mcp-remote https://mcp.notion.com/mcp
+</pre>
+For a detailed step-by-step guide with screenshots, see: [https://errerrors.blogspot.com/2026/04/fixing-unknown-oauth-client-error-when.html Fixing "Unknown OAuth client" Error When Connecting Notion MCP in Claude Code] (written primarily in Traditional Chinese)
 == Further reading ==