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Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that allows you to reliably send messages at no cost. It enables you to notify a client app that new email or other data is available to sync. You can send notifications to drive user re-engagement and retention.
When working with FCM, you might encounter the InvalidFcmOptions error. This error typically appears when attempting to send a message, indicating that the FCM options in your request are not valid.
InvalidFcmOptions
.The InvalidFcmOptions error suggests that there is a problem with the configuration of the FCM options in your request. This could be due to incorrect parameters or missing fields that are required for the message to be processed correctly.
To resolve this issue, follow these steps:
Ensure that your FCM options are correctly configured. Check the JSON payload for any syntax errors or missing fields. Refer to the FCM HTTP Server Reference for the correct structure.
Make sure all required fields are present in your request. Common required fields include to
, notification
, and data
. Verify that these fields are correctly populated.
Ensure that all parameter values are valid. For example, check that the priority
field is set to either high
or normal
. Refer to the FCM Priority Documentation for more details.
By carefully reviewing and correcting the FCM options in your request, you can resolve the InvalidFcmOptions error. Ensure that your configurations align with the official Firebase Cloud Messaging documentation to prevent similar issues in the future.
(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)