=========================================================================================================================================
    DateTime: 21/01/2022 11:03:50 a.m.
        User: WIN-N967O1ARKIN$
ComputerName: WIN-N967O1ARKIN
       error
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       LogTrace: 
The operation failed: The relationship could not be changed because one or more of the foreign-key properties is non-nullable. When a change is made to a relationship, the related foreign-key property is set to a null value. If the foreign-key does not support null values, a new relationship must be defined, the foreign-key property must be assigned another non-null value, or the unrelated object must be deleted.
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=========================================================================================================================================
    DateTime: 21/01/2022 11:45:01 a.m.
        User: WIN-N967O1ARKIN$
ComputerName: WIN-N967O1ARKIN
       error
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       LogTrace: 
The operation failed: The relationship could not be changed because one or more of the foreign-key properties is non-nullable. When a change is made to a relationship, the related foreign-key property is set to a null value. If the foreign-key does not support null values, a new relationship must be defined, the foreign-key property must be assigned another non-null value, or the unrelated object must be deleted.
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=========================================================================================================================================
=========================================================================================================================================
    DateTime: 21/01/2022 02:34:43 p.m.
        User: WIN-N967O1ARKIN$
ComputerName: WIN-N967O1ARKIN
       error
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       LogTrace: 
The operation failed: The relationship could not be changed because one or more of the foreign-key properties is non-nullable. When a change is made to a relationship, the related foreign-key property is set to a null value. If the foreign-key does not support null values, a new relationship must be defined, the foreign-key property must be assigned another non-null value, or the unrelated object must be deleted.
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=========================================================================================================================================
=========================================================================================================================================
    DateTime: 21/01/2022 06:49:23 p.m.
        User: WIN-N967O1ARKIN$
ComputerName: WIN-N967O1ARKIN
       error
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       LogTrace: 
The operation failed: The relationship could not be changed because one or more of the foreign-key properties is non-nullable. When a change is made to a relationship, the related foreign-key property is set to a null value. If the foreign-key does not support null values, a new relationship must be defined, the foreign-key property must be assigned another non-null value, or the unrelated object must be deleted.
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=========================================================================================================================================