Comment 5 for bug 1979048

Got it, configured, compiled. Now the summary remains clear, no presentation buffer is generate and possibly no mail is downloaded.

I get this error when I press g (get new mail)

Debugger entered--Lisp error: (wrong-type-argument char-or-string-p nil)
  vm-imap-retrieve-to-target(#<process IMAP over SSL<1>> #<buffer inbox> [[nil 25273 34619 92656 2 vm-imap-report-retrieval-status (#3) nil 645000 nil] nil "<email address hidden>:[sorry, not here]:inbox" 0 522 nil nil nil nil nil nil nil] (IMAP4REV1 SASL-IR UIDPLUS ID UNSELECT CHILDREN IDLE NAMESPACE LITERAL+))
  vm-imap-retrieve-messages((("420764" . 2) ("420793" . 3) ("420795" . 4) ("420797" . 5) ("420799" . 6) ("420803" . 7) ("420805" . 8) ("420807" . 9) ("420811" . 10) ("420813" . 11) ("420815" . 12) ("420817" . 13) ("420819" . 14) ("420831" . 15) ("420833" . 16) ("420835" . 17) ("420851" . 18) ("420859" . 19) ("420861" . 20) ("420863" . 21) ("420865" . 22) ("420873" . 23) ("420878" . 24) ("420880" . 25) ("420887" . 26) ("420917" . 27) ("420928" . 28) ("420968" . 29) ("420992" . 30) ("421010" . 31) ("421012" . 32) ("421019" . 33) ("421047" . 34) ("421053" . 35) ("421057" . 36) ("421066" . 37) ("421068" . 38) ("421092" . 39) ("421096" . 40) ("421190" . 41) ("421194" . 42) ("421202" . 43) ("421252" . 44) ("421428" . 45) ("421454" . 46) ("421458" . 47) ("421460" . 48) ("421462" . 49) ("421464" . 50) ("421472" . 51) ...))
  vm-imap-synchronize-folder(:interactive t :do-local-expunges t :do-retrieves t :save-attributes t :retrieve-attributes t)
  vm-get-spooled-mail(t)
  vm-get-new-mail(nil)
  funcall-interactively(vm-get-new-mail nil)
  command-execute(vm-get-new-mail)

I am forced to use Thunderbird or Office365 web Outlook. Maybe this bug is slightly blocking?