Warning: Array to string conversion in NeuronAI\Providers\Anthropic\Anthropic

[robiningelbrecht]

Describe the bug

Warning: Array to string conversion: #0 [internal function]: NeuronAI\Providers\Anthropic\Anthropic->{closure:NeuronAI\Providers\Anthropic\HandleStream::stream():70}() #1 /var/www/vendor/inspector-apm/neuron-ai/src/Providers/Anthropic/HandleStream.php(70): array_map() #2 /var/www/vendor/inspector-apm/neuron-ai/src/HandleStream.php(37): NeuronAI\Providers\Anthropic\Anthropic->stream() #3 /var/www/vendor/inspector-apm/neuron-ai/src/HandleStream.php(31): NeuronAI\Agent->stream() #4 /var/www/vendor/inspector-apm/neuron-ai/src/Providers/Anthropic/HandleStream.php(76): NeuronAI\Agent->{closure:NeuronAI\HandleStream::stream():29}() #5 /var/www/vendor/inspector-apm/neuron-ai/src/HandleStream.php(37): NeuronAI\Providers\Anthropic\Anthropic->stream() #6 /var/www/src/Controller/AIChatRequestHandler.php(116): NeuronAI\Agent->stream() #7 /var/www/vendor/symfony/http-kernel/HttpKernel.php(101): App\Controller\AIChatRequestHandler->{closure:App\Controller\AIChatRequestHandler::chatSse():80}() #8 /var/www/vendor/symfony/http-foundation/StreamedResponse.php(125): Symfony\Component\HttpKernel\HttpKernel::{closure:Symfony\Component\HttpKernel\HttpKernel::handle():98}() #9 /var/www/vendor/symfony/http-foundation/Response.php(397): Symfony\Component\HttpFoundation\StreamedResponse->sendContent() #10 /var/www/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php(38): Symfony\Component\HttpFoundation\Response->send() #11 /var/www/vendor/autoload_runtime.php(29): Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run() #12 /var/www/public/index.php(5): require_once('...') #13 {main}

To Reproduce

• Use Anthropic as a provider
• Use some tools
• After a few interactions with the agent this error "randomly" pops up

The Neuron AI version you are using:

• Version 1.16.7

[ilvalerione]

It was impossible to reproduce the issue. I tried simulating extended discussions, with many tool calls in them, using tools with input properties and other with no inputs. No errors was generated.

This is the line mentinoed in the stacktrace: https://github.com/inspector-apm/neuron-ai/blob/main/src/Providers/Anthropic/HandleStream.php#L70

The only option to generate an "Array to string conversion" in this point of the code is that $call['input'] is an array instead of a string.

It seems impossible because this field is stored by Neuron parsing the streamed chunks from Anthropic and it's accumulated as a string:
https://github.com/inspector-apm/neuron-ai/blob/main/src/Providers/Anthropic/HandleStream.php#L104

This is the section of the Anthropic documentation used to implement the streaming feature when a tool_use is involved: https://docs.anthropic.com/en/docs/build-with-claude/streaming#streaming-request-with-tool-use

If you have any other details we can further analyze the case.

[robiningelbrecht]

I don't have any further details other than

It happens when you ask more than two questions.

[TheDigitalOrchard]

Can you provide further details about your setup, such as the PHP version that you're using and if all required dependencies are installed?