I'm a noob when it comes to using the alignment module in Ekos so please bare with me

First my equipment:
Scope: TS-Optics CF-APO 90mm F/6 with 0.8x corrector
Mount: Avalon Zero Obs WiFi
DSLR: Canon EOS 600D (prime focus)
Guider: QHY 5L II
GPS(D): Up and running and reporting valid Lat/Long and Time
Software: Astroberry with KStars 3.5.4 build 2021-07-15 running on a Raspberry Pi 4B with 64Gb SSD card
Astrometry Files: *ALL* mandatory and recommended, see below
When I registered the configuration above I registered the OTA as having an F-ratio of 432mm (540 * 0.8 from the corrector mentioned above). After that I went into the alignment module and let the module decide which astrometry files were needed and downloaded *all* of the mandatory and recommended files. All of the files were marked as green, i.o.w., marked
as available! Last night I spent roughly four hours to get the polar alignment procedure to work without any luck. The solver *always* failed to solve the first image downloaded from the DSLR! After looking in the log-files I could see that the solver was unable to solve for the picture taken and then a FITS-filename. The FoV was calculated by the alignment module
based on my aperture/F-ratio so I didn't add that myself. I used various exposure times from 2s up to the maximum 60s to no avail. I feel that I have seriously misunderstood *everything* related to the alignment module so I'd very much appreciate to be enlightened by some of you professionals out there Apart from this issue everything seems to work "as advertised".

My speculations about the problem is the FoV but, as I said I'm a complete noob!

Many thanks in advance - I'm struggling here!!!

Clear skies!
Peter

​​​​​​​Downloaded files based on calculated FoV (177'6'' * 118'8'')
index-4213 index-4113
index-4212 index-4112
index-4211 index-4111
index-4210 index-4110
index-4209 index-4109
index-4208 index-4108
index-4207 index-4107
index-4206

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