This document describes how to resolve errors that you might encounter when creating an agent .
Content generation errors
Issue:
You receive an error message similar to the following:
ValueError: Cannot get the Candidate text.
Response candidate content part has no text.
Possible cause:
This error might be caused by using a version of langchain-google-vertexai
that's not compatible with google-cloud-aiplatform
. Version 1.0.2
or later
of langchain-google-vertexai
is required. To check which version you're using,
run the following command in your terminal:
pip
show
langchain-google-vertexai
Recommended solution:
Install version 1.0.2
of langchain-google-vertexai
. This version includes
the LangChain tool-calling
updates that are required to work with google-cloud-aiplatform
. To update your
version of langchain-google-vertexai
, run the following command in your
terminal:
pip
install
langchain-google-vertexai
--upgrade
After running the update command, verify that you're using version 1.0.2
or
later by running the following command in your terminal:
pip
show
langchain-google-vertexai
If you're in a notebook instance (for example, Jupyter or Colab or Workbench), you might need to restart your runtime to use the updated packages.
