objects/Opportunity.object (Opportunity.Reason_for_Loss__c) -- Error: duplicate value found:  duplicates value on record with id:
34058
How to debug the mysterious "duplicate value found:  duplicates value on record with id: " error
135386
Should bug-report/feature-request *questions* that duplicate Grab-bag *answers* be closed as duplicates?
107521
Duplicates in sendable DE for MobileConnect
67785
Creating duplicate features based on many-to-one conversion of related table?
28698
Finding duplicate records in field using ArcGIS for Desktop?
43996
Unit Testing problem with Product2 records: A Product with this SKU already exists
91408
Integer wrapper objects share the same instances only within the value 127?
112077
How to check if a value already exists to avoid duplicates?
5190
"id cannot be resolved or is not a field" error?
60500
List has No Rows for Assignment to SObject: Error
3624
Apex errors with Custom button to add existing records on a custom object
61306
Why do I get "warning longer object length is not a multiple of shorter object length"?
18681
Error: j_id0:j_id1:j_id28:j_id30: Validation Error: Value is required
157664
SObject row was retrieved via SOQL without querying the requested field: Opportunity.OwnerId
85308
What does the error "Ambiguous column name 'id'" mean?
154901
Simple Linq query has duplicated join against same table?
139443
Why can't I iterate twice over the same data?