Add booking lock error

Author: Wendy Smith

support/dynamics-365/field-service/rso/troubleshoot-booking-lock-issues.md

@@ -0,0 +1,41 @@
+---
+title: Troubleshoot booking locks from Resource Scheduling Optimization
+description: Resolves issues with bookings in the Resource Scheduling Optimization add-in for Microsoft Dynamics 365 Field Service.
+ms.author: AnilMur
+author: anilmur
+ms.reviewer: mhart
+ms.date: 12/19/2024
+ms.custom: sap:Resource Scheduling Optimization
+---
+# Troubleshoot issues with booking locks in Resource Scheduling Optimization
+
+This article helps troubleshoot issues with booking locks in the [Resource Scheduling Optimization add-in](/dynamics365/field-service/rso-overview) for Microsoft Dynamics 365 Field Service.
+
+## Symptoms
+
+A locked booking can't respect all defined constraints. The optimization request continues, but skips over the identified resources that have violations and displays the following error:
+
+**System failed to optimize some records. Inner error(s): Locked booking is infeasible, reason: `Violation`. Tracing data points: `RequirementId`, `RequirementName`, `BookingId`, `BookingName`, `ScheduledTimeWindow`, `FullTimeWindow`, `ArrivalTime`, `Lock Type`**
+
+## Resolution
+
+The tracing data points help you identify what went wrong. Try updating the booking settings to address the violation reason before running Resource Scheduling Optimization again.
+
+### Violation types
+
+- The locked booking cannot fulfill the time window filter.
+
+  - **LockBookingTimeWindowFilter**. Potential scenarios:
+    - Locked booking is outside of resource working hours
+    - Invalid promised time window
+    - Invalid travel time
+
+  - **ResourceBreakTimeWindowFilter**. A locked booking conflicts with a [scheduled break time](set-work-hours-resource.md).
+
+- The eligibility check failed with constraint.
+
+  - **MeetsRequiredSkills**. A locked booking has an invalid match of the [resource skill characteristics](set-up-characteristics.md).
+
+  - **MeetsRequiredRoles**. A locked booking has an invalid [resource role match](/training/modules/configure-bookable-resources-urs-dynamics-field-service/).
+
+  - **MeetsResourcePreferences**. A locked booking has an invalid [“must choose from” or “restricted” resource](resource-preferences.md).