Connection Problem ?

[KlausTrompeter]

Hi, i get a lot of this messages in my log:
[11:47:44.739] W (128280) hoymiles: All missing
[11:47:44.739] W (128283) hoymiles: Nothing received, resend whole request
[11:47:44.739] D (128289) hoymiles: TX GridOnProFilePara 868.00 MHz --> 15 A0 12 D6 65 80 10 16 68 80 02 00 68 C5 3D B9 00 00 00 00 00 00 00 00 C1 EA 7A
[11:47:44.739] E (128340) hoymiles: 1711.574 MHz is not divisible by 250000 kHz!
[11:47:44.739] I (128849) hoymiles: RX Period End

what causes this ? bad lora connection ?