11:56:37 F01F Soap Attachment Stream Error: [8911], File Size = 1120068 Written Size=131072
11:56:37 F01F Soap Attachment Stream Error: [8911], File Size = 1120068 Written Size=131072
11:56:37 F01F Error streaming an attachment [8911]
11:56:37 F277 Soap Attachment Stream Error: [8911], File Size = 673015 Written Size=131072
11:56:37 F277 Soap Attachment Stream Error: [8911], File Size = 673015 Written Size=131072
11:56:37 F277 Error streaming an attachment [8911]

What are these?