From the iPhone version.
=== RVCare Logbook Sync Diagnostics ===
Version 4.0 (2055) | iOS 26.4.1 · iPhone
Generated: 21 Apr 2026 at 16:51
Last successful sync: 16:50 (16 successes this session)
No errors in the last 24 hours.
Raw sync log (last 10 min):
16:27:46 [com.apple.cloudkit/Scheduler] Error updating background task request: Error Domain=BGSystemTaskSchedulerErrorDomain Code=3
16:50:55 [com.apple.cloudkit/Scheduler] Error updating background task request: Error Domain=BGSystemTaskSchedulerErrorDomain Code=3
Mac version.
=== RVCare Logbook Sync Diagnostics ===
Version 4.0 (2055) | macOS 26.4.1
Generated: 21 Apr 2026 at 16:52
Last successful sync: 16:52 (1 successes this session)
Errors (last 24 h):
• [16:52] Export – Partial failure [CK2] · domain=CKErrorDomain | code=2
Raw sync log (last 10 min):
16:52:45 [com.apple.coredata/CloudKit] CoreData+CloudKit: -NSCloudKitMirroringDelegate _exportFinishedWithResult:exporter:: : Export failed with error: Error Domain=CKErrorDomain Code=2 UserInfo={ContainerID=, NSDebugDescription=, CKPartialErrors=, RequestUUID=, NSLocalizedDescription=, CKErrorDescription=, NSUnderlyingError=0x7c94cde90 {Error Domain=CKInternalErrorDomain Code=1011 UserInfo={CKErrorDescription=, NSLocalizedDescription=, CKPartialErrors=}}}
16:52:45 [com.apple.coredata/CloudKit] CoreData+CloudKit: -NSCloudKitMirroringDelegate recoverFromError:: - Attempting recovery from error: Error Domain=CKErrorDomain Code=2 UserInfo={ContainerID=, NSDebugDescription=, CKPartialErrors=, RequestUUID=, NSLocalizedDescription=, CKErrorDescription=, NSUnderlyingError=0x7c94cde90 {Error Domain=CKInternalErrorDomain Code=1011 UserInfo={CKErrorDescription=, NSLocalizedDescription=, CKPartialErrors=}}}
16:52:45 [com.apple.coredata/CloudKit] CoreData+CloudKit: -NSCloudKitMirroringDelegate _recoverFromPartialError:forStore:inMonitor:: : Error recovery failed because the following fatal errors were found:
16:52:45 [com.apple.coredata/CloudKit] CoreData+CloudKit: -NSCloudKitMirroringDelegate resetAfterError:andKeepContainer:: - resetting internal state after error: Error Domain=CKErrorDomain Code=2 UserInfo={ContainerID=, NSDebugDescription=, CKPartialErrors=, RequestUUID=, NSLocalizedDescription=, CKErrorDescription=, NSUnderlyingError=0x7c94cde90 {Error Domain=CKInternalErrorDomain Code=1011 UserInfo={CKErrorDescription=, NSLocalizedDescription=, CKPartialErrors=}}}
16:52:45 [com.apple.coredata/CloudKit] CoreData+CloudKit: -NSCloudKitMirroringDelegate _requestAbortedNotInitialized:: - Never successfully initialized and cannot execute request ‘’ due to error: Error Domain=CKErrorDomain Code=2 UserInfo={ContainerID=, NSDebugDescription=, CKPartialErrors=, RequestUUID=, NSLocalizedDescription=, CKErrorDescription=, NSUnderlyingError=0x7c94cde90 {Error Domain=CKInternalErrorDomain Code=1011 UserInfo={CKErrorDescription=, NSLocalizedDescription=, CKPartialErrors=}}}
16:52:45 [com.apple.coredata/CloudKit] CoreData+CloudKit: -NSCloudKitMirroringDelegate _requestAbortedNotInitialized:: - Never successfully initialized and cannot execute request ‘’ due to error: Error Domain=CKErrorDomain Code=2 UserInfo={ContainerID=, NSDebugDescription=, CKPartialErrors=, RequestUUID=, NSLocalizedDescription=, CKErrorDescription=, NSUnderlyingError=0x7c94cde90 {Error Domain=CKInternalErrorDomain Code=1011 UserInfo={CKErrorDescription=, NSLocalizedDescription=, CKPartialErrors=}}}
I’ve had to remove some of the links in the above repot so it would send, hope that’s ok.
I’m quite happy to send you the old DB if it will help. I will email it to you if you can send me an address to send it to.