| 401 or sign-in failure | Matching environment, key/account status, and Bearer header |
| 403 | Required scope, organization role, or plan entitlement named by the error |
| Template missing | Organization, environment, ID, and selected version |
| Literal placeholder text | Exact case-sensitive dot path and the data sent, not just sample data |
| Empty/rejected each directive | Array exists, is an array, and has child blocks; empty arrays render no children |
| Table missing | Correct table type, array path, column configuration, and compiled output |
| Send failed | Connected workspace, valid destination ID, private-channel membership, and credits |
| Button did nothing | Message sent through LithoBlocks, action config present, referenced destination/modal still active |
| Modal will not open | Active modal version, valid data bindings, and compiled view limits |
| Modal closed but receiver has nothing | Submission receipt and asynchronous component outcome |
| Schedule/digest waiting | Due time, timezone, conditions, queue state, and execution history |
| Receiver timeout | Receiver logs and operation/receipt ID; delivery may be uncertain |