The given value of type String from the data source cannot be converted to type nvarchar of the specified target column. at System.Data.SqlClient.SqlBulkCopy.ConvertValue(Object value, _SqlMetaData metadata, Boolean isNull, Boolean& isSqlType, Boolean& coercedToDataFeed)
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at System.Data.SqlClient.SqlBulkCopy.ReadWriteColumnValueAsync(Int32 col)
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at System.Data.SqlClient.SqlBulkCopy.CopyColumnsAsync(Int32 col, TaskCompletionSource`1 source)
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at System.Data.SqlClient.SqlBulkCopy.CopyRowsAsync(Int32 rowsSoFar, Int32 totalRows, CancellationToken cts, TaskCompletionSource`1 source)
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at System.Data.SqlClient.SqlBulkCopy.CopyBatchesAsyncContinued(BulkCopySimpleResultSet internalResults, String updateBulkCommandText, CancellationToken cts, TaskCompletionSource`1 source)
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at System.Data.SqlClient.SqlBulkCopy.CopyBatchesAsync(BulkCopySimpleResultSet internalResults, String updateBulkCommandText, CancellationToken cts, TaskCompletionSource`1 source)
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at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalRestContinuedAsync(BulkCopySimpleResultSet internalResults, CancellationToken cts, TaskCompletionSource`1 source)
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at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalRestAsync(CancellationToken cts, TaskCompletionSource`1 source)
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at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalAsync(CancellationToken ctoken)
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at System.Data.SqlClient.SqlBulkCopy.WriteRowSourceToServerAsync(Int32 columnCount, CancellationToken ctoken)
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at System.Data.SqlClient.SqlBulkCopy.WriteToServer(DataTable table, DataRowState rowState)
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at System.Data.SqlClient.SqlBulkCopy.WriteToServer(DataTable table)
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at WIDESEA.Core.Dapper.SqlDapper.MSSqlBulkInsert(DataTable table, String tableName, SqlBulkCopyOptions sqlBulkCopyOptions, String dbKeyName) in E:\BEIJING\2025-12-24\BeiJingZhouChenKu\项目代码\WMS\WIDESEA_WMSServer\WIDESEA.Core\Dapper\SqlDapper.cs:line 725
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at WIDESEA.Core.Dapper.SqlDapper.BulkInsert(DataTable table, String tableName, Nullable`1 sqlBulkCopyOptions, String fileName, String tmpPath) in E:\BEIJING\2025-12-24\BeiJingZhouChenKu\项目代码\WMS\WIDESEA_WMSServer\WIDESEA.Core\Dapper\SqlDapper.cs:line 754
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at WIDESEA.Core.Services.Logger.Start() in E:\BEIJING\2025-12-24\BeiJingZhouChenKu\项目代码\WMS\WIDESEA_WMSServer\WIDESEA.Core\Services\Logger.cs:line 153System.Data.SqlClient
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