I’ve just found second dumpfile. Thanks again.
It shows timeout caused. Server did not not send data within 5 seconds.
2023/01/13 11:43:01,862: T0192c: TL17: TGHttp: HTTP Get : From: 4194304 Size: 4186522
2023/01/13 11:43:34,575: T0192c: TL17: TGHttp: HTTP Get : From: 8380826 Size: 4194288
2023/01/13 11:43:39,617: T0192c: TL17: TGHttp: HTTP Receive failed: [TFXFWTimeout]
You can adjust this 5 seconds (=5000 ms).
– TreeItem: Basic – Network
– Property: HTTP file access – Receive timeout to begin (ms)