Lot's of z-push error log entries

I get lot’s of error messages in /var/log/z-push/server.log

11/09/2022 12:30:30 [ 1583] [FATAL] [[xxxxx@yyyyy] WBXML 10K debug data: AwFqAEVcT0sDezE1YWZmZGJmLTJjOWItNGFmOS1iOTgyLWY5MmE0OGU2ZTE0NH0zNgABUgN2L1dlYlRvcAABE1UDMjUAAVcAEUVGAzEAAUcDMzI3NjgAAQEBAQEB
11/09/2022 12:30:30 [ 1583] [FATAL] [xxxxx@yyyyy] Exception: (DataURI\Exception\InvalidArgumentException) - Could not parse the URL scheme
11/09/2022 12:30:30 [ 1563] [FATAL] [[xxxxx@yyyyy] WBXML 10K debug data: AwFqAEVcT0sDezE1YWZmZGJmLTJjOWItNGFmOS1iOTgyLWY5MmE0OGU2ZTE0NH0zNgABUgN2L1dlYlRvcAABE1UDMjUAAVcAEUVGAzEAAUcDMzI3NjgAAQEBAQEB
11/09/2022 12:30:30 [ 1563] [FATAL] [[xxxxx@yyyyy Exception: (DataURI\Exception\InvalidArgumentException) - Could not parse the URL scheme
11/09/2022 12:30:33 [ 3100] [FATAL] [[xxxxx@yyyyy] WBXML 10K debug data: AwFqAEVcT0sDezE1YWZmZGJmLTJjOWItNGFmOS1iOTgyLWY5MmE0OGU2ZTE0NH0zNgABUgN2L1dlYlRvcAABE1UDMjUAAVcAEUVGAzEAAUcDMzI3NjgAAQEBAQEB
11/09/2022 12:30:33 [ 3100] [FATAL] [[xxxxx@yyyyy] Exception: (DataURI\Exception\InvalidArgumentException) - Could not parse the URL scheme

Also in /var/log/z-push/server_error.log

11/09/2022 16:04:52 [ 1563] [WARN] [xxxxx@yyyyy] ChangesSink: could not stat folder 'c3c1f1fe': [NOPERM] Permission denied (0.001 + 0.000 secs). 
11/09/2022 16:04:52 [ 1563] [WARN] [xxxxx@yyyyy] ChangesSink: could not stat folder '7f03b061': [NOPERM] Permission denied (0.001 + 0.000 secs). 
11/09/2022 16:04:52 [ 1563] [WARN] [xxxxx@yyyyy] ChangesSink: could not stat folder 'c3c1f1fe': [NOPERM] Permission denied (0.001 + 0.000 secs). 
11/09/2022 16:04:52 [ 1563] [WARN] [xxxxx@yyyyy] ChangesSink: could not stat folder '7f03b061': [NOPERM] Permission denied (0.001 + 0.000 secs). 
11/09/2022 16:04:52 [ 1563] [WARN] [xxxxx@yyyyy] ChangesSink: could not stat folder 'c3c1f1fe': [NOPERM] Permission denied (0.001 + 0.000 secs). 

What can be the cause and how to fix it?

+1 same error here