# Building and Evaluating Data Agents **URL:** https://community.deeplearning.ai/c/short-course-q-a/building-and-evaluating-data-agents/566.md [Latest](https://community.deeplearning.ai/latest.md) · [Categories](https://community.deeplearning.ai/categories.md) · [Tags](https://community.deeplearning.ai/tags.md) --- ## [Building and Evaluating Data Agents -Snowflake Connection Error in All Labs: "Programmatic access token is expired"](https://community.deeplearning.ai/t/building-and-evaluating-data-agents-snowflake-connection-error-in-all-labs-programmatic-access-token-is-expired/894662)
**Author:** [@ANDRES\_MAURICIO\_MENDOZA\_ESPINO](https://community.deeplearning.ai/u/ANDRES_MAURICIO_MENDOZA_ESPINO)\ **Replies:** 2\ **Last updated:** [August 31, 2026, 2:20pm UTC](https://community.deeplearning.ai/t/building-and-evaluating-data-agents-snowflake-connection-error-in-all-labs-programmatic-access-token-is-expired/894662 "2026-08-31T14:20:02Z")
Hi Course Staff and Community, I am currently working through the Building and Evaluating Data Agents course, but I am unable to proceed because I am encountering a DatabaseError across all the labs. The error occurs r… --- ## [Requirements.txt empty](https://community.deeplearning.ai/t/requirements-txt-empty/880563)
**Author:** [@Michela\_Agostini](https://community.deeplearning.ai/u/Michela_Agostini)\ **Replies:** 3\ **Last updated:** [August 10, 2026, 7:59pm UTC](https://community.deeplearning.ai/t/requirements-txt-empty/880563 "2026-08-10T19:59:45Z")
Just a short notification that the requirements.txt file is empty if you’d like to run the notebook locally! --- ## [Construct a Multi-Agent Workflow - DatabaseError](https://community.deeplearning.ai/t/construct-a-multi-agent-workflow-databaseerror/894435)
**Author:** [@flavius3](https://community.deeplearning.ai/u/flavius3)\ **Replies:** 4\ **Last updated:** [August 10, 2026, 7:53pm UTC](https://community.deeplearning.ai/t/construct-a-multi-agent-workflow-databaseerror/894435 "2026-08-10T19:53:13Z")
Hello, this issue is related to the chapter “Construct a Multi-Agent Workflow” (video + code). When I run this code-- \> from helper import agent\_system\_prompt llm = ChatOpenAI(model=“gpt-4o”) Research agent and node … --- ## [Observe Agent Performance (video + example code) - Database Error](https://community.deeplearning.ai/t/observe-agent-performance-video-example-code-database-error/894437)
**Author:** [@flavius3](https://community.deeplearning.ai/u/flavius3)\ **Replies:** 3\ **Last updated:** [August 10, 2026, 7:45pm UTC](https://community.deeplearning.ai/t/observe-agent-performance-video-example-code-database-error/894437 "2026-08-10T19:45:47Z")
Hello, when I run this cell: from helper import cortex\_agent, State from trulens.core.otel.instrument import instrument from langchain.schema import HumanMessage from langgraph.graph import END from langgraph.types… --- ## [L3: Expand Data Agents Capabilities - Database error](https://community.deeplearning.ai/t/l3-expand-data-agents-capabilities-database-error/894436)
**Author:** [@flavius3](https://community.deeplearning.ai/u/flavius3)\ **Replies:** 4\ **Last updated:** [August 10, 2026, 7:34pm UTC](https://community.deeplearning.ai/t/l3-expand-data-agents-capabilities-database-error/894436 "2026-08-10T19:34:18Z")
Hi, this other Lab (video + code) also returns a Database error when I run this cell: “from helper import snowpark\_session” Error: DatabaseError: 250001 (08001): Failed to connect to DB: SFSENORTHAMERICA-DEEPLEARNING… --- ## [RateLimitError: Error code: 429 - {'error': {'message': 'exceeded quota for this month'}}](https://community.deeplearning.ai/t/ratelimiterror-error-code-429-error-message-exceeded-quota-for-this-month/890427)
**Author:** [@WillyGru](https://community.deeplearning.ai/u/WillyGru)\ **Replies:** 7\ **Last updated:** [March 19, 2026, 2:58am UTC](https://community.deeplearning.ai/t/ratelimiterror-error-code-429-error-message-exceeded-quota-for-this-month/890427 "2026-03-19T02:58:32Z")
Hello team, I’m facing the following error when trying to run L4 from the Building and Evaluating Data Agents. I ran the 1-2 times each. Is there any common fix or workaround for this? –William --- ## [To run the notebooks locally, how can we set up the data in Snowflake?](https://community.deeplearning.ai/t/to-run-the-notebooks-locally-how-can-we-set-up-the-data-in-snowflake/881251)
**Author:** [@Philip\_Lee](https://community.deeplearning.ai/u/Philip_Lee)\ **Replies:** 0\ **Last updated:** [October 12, 2025, 5:25pm UTC](https://community.deeplearning.ai/t/to-run-the-notebooks-locally-how-can-we-set-up-the-data-in-snowflake/881251 "2025-10-12T17:25:30Z")
Does anyone know how we could obtain the data that the course notebooks had access to in Snowflake? We could create a new dataset in our local Snowflake environment and add some unstructured data to test if we couldn’t … --- ## [Few follow up questions on Agents evaluation](https://community.deeplearning.ai/t/few-follow-up-questions-on-agents-evaluation/880807)
**Author:** [@Sashi\_Kiran\_Challa](https://community.deeplearning.ai/u/Sashi_Kiran_Challa)\ **Replies:** 0\ **Last updated:** [October 6, 2025, 12:42am UTC](https://community.deeplearning.ai/t/few-follow-up-questions-on-agents-evaluation/880807 "2025-10-06T00:42:29Z")
While I liked that the course provides a structure to evaluate the agent, I feel the following are unanswered questions for me: • great that you have these metrics for a specific question; are these to be derived for al…