Certain Cardano epoch staking reward transactions are not imported and are missing from the transactions page.

Users with Cardano staking reward transactions in identified epochs 495, 601, 606, 614, and 615.

Manually add the staking reward transactions.

Manual edits are a temporary workaround and will not be overwritten by future fixes or re-syncs. However, manual changes can sometimes result in duplicate transactions or other unintended side effects. For this reason, edits should be made with caution. Once a permanent fix is released, manually edited transactions may need to be reviewed or removed to ensure accuracy.

You can upvote this forum post to indicate you are experiencing this behavior. The post status will be changed to Complete once a fix is rolled out to all users. Up-voters will be notified of the status change.