[BUG] Execution Error?

Environment

• Platform (select one):
• [x] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: 1.0.84
• Operating System: Amazon Linux 2
• Terminal: Linux Terminal

Bug Description

At the end of the execution when Claude is meant to print out the result it just says "Execution Error".

Sometimes it does print out the result, but other times it does not:

Steps to Reproduce

1. Install Claude Code programmatically
2. Run claude -p -d ---permission-mode acceptEdits 'Write fibonacci code in Python'

Expected Behavior

To print out the Python code consistently rather than every now and then e.g.,:

[DEBUG] Matched 0 unique hooks for query "no match query" (0 before deduplication)
[DEBUG] Found 0 hook commands to execute

def fibonacci(n):
    if n <= 0:
        return 0
    elif n == 1:
        return 1
    else:
        return fibonacci(n-1) + fibonacci(n-2)

# Generate first 10 Fibonacci numbers
for i in range(10):
    print(fibonacci(i))

[DEBUG] Cleaned up session snapshot: /tmp/claude-npm/.claude/shell-snapshots/snapshot-zsh-1755594721137-r48fts.sh

Actual Behavior

Sometimes it ends with:

[DEBUG] Getting matching hook commands for Stop with query: undefined
[DEBUG] Found 0 hook matchers in settings
[DEBUG] Matched 0 unique hooks for query "no match query" (0 before deduplication)
[DEBUG] Found 0 hook commands to execute
Execution error[DEBUG] Cleaned up session snapshot: /tmp/claude-npm/.claude/shell-snapshots/snapshot-zsh-1755594081835-cm7z4q.sh