Error: Failed to call chat-completions api

Caused by:
    messages.1: all messages must have non-empty content except for the optional final assistant message (type: invalid_request_error)

Latency
0.513 seconds
{
  "client_error": false,
  "code": 529,
  "detail": "Overloaded"
}
Suggested Action:

Implement retry logic with exponential backoff

model                   claude:claude-sonnet-4-20250514
temperature             null
top_p                   null
use_tools               null
max_output_tokens       8192 (current model)
save_session            null
compress_threshold      4000
rag_reranker_model      null
rag_top_k               5
dry_run                 false
function_calling        true
stream                  true
save                    false
keybindings             emacs
wrap                    no
wrap_code               false
highlight               true
theme                   dark
config_file             /home/xx/.config/aichat/config.yaml
env_file                /home/xx/.config/aichat/.env
roles_dir               /home/xx/.config/aichat/roles
sessions_dir            /home/xx/.config/aichat/sessions
rags_dir                /home/xx/.config/aichat/rags
macros_dir              /home/xx/.config/aichat/macros
functions_dir           /home/xx/.config/aichat/functions
messages_file           /home/xx/.config/aichat/messages.md