Bug: Slack incoming Webhooks and Mattermost Webhooks No text specified error #1248

New Issue

MrUnknownDE · 2026-04-05T16:26:15+02:00

MrUnknownDE commented

2026-04-05 16:26:15 +02:00

Originally created by @koroglumert on 1/28/2024

Describe the bug
When using "Send Message to Channel" component with a working mattermost webhook, "No text specified" error is received.
A forum about this issue. Bu geliştirme ile
https://forum.mattermost.com/t/solved-webhooks-no-text-specified-details-error/448

To Reproduce
Steps to reproduce the behavior:

Select Send Message to Channel
Use Mattermost webhook

Expected behavior
To be able to send mattermost messages with Slack component.

Screenshots
Workflow and Send Message to Channel component inside

Run & Logs -> Error

Desktop (please complete the following information):

OS: MACOS 14.0
Browser: chrome
Version release, after Commits on Jan 12, 2024
Deployment Type
Is this issue on my server?

Additional context
Add any other context about the problem here.

*Originally created by @koroglumert on 1/28/2024* **Describe the bug** When using "Send Message to Channel" component with a working mattermost webhook, "No text specified" error is received. A forum about this issue. Bu geliştirme ile https://forum.mattermost.com/t/solved-webhooks-no-text-specified-details-error/448 **To Reproduce** Steps to reproduce the behavior: 1. Select Send Message to Channel 2. Use Mattermost webhook **Expected behavior** To be able to send mattermost messages with Slack component. **Screenshots** Workflow and Send Message to Channel component inside ![image](https://github.com/OneUptime/oneuptime/assets/83726007/3c7a5ebb-5dce-4165-b435-9ab202053f04) Run & Logs -> Error ![image](https://github.com/OneUptime/oneuptime/assets/83726007/bbd675d4-6a0c-4cfe-b8a9-79061d1442be) Desktop (please complete the following information): OS: MACOS 14.0 Browser: chrome Version release, after Commits on Jan 12, 2024 Deployment Type Is this issue on my server? Additional context Add any other context about the problem here.

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Reference: github/oneuptime#1248

Bug: Slack incoming Webhooks and Mattermost Webhooks No text specified error #1248

Bug: Slack incoming Webhooks and Mattermost Webhooks `No text specified` error #1248