Flow price: --
c44849b75738d11a2ddee274fea893b38cc69c9137190bd06a3a05dc55b97e11

Transaction

Hash: c44849b75738d11a2ddee274fea893b38cc69c9137190bd06a3a05dc55b97e11
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c44849b75738d11a2ddee274fea893b38cc69c9137190bd06a3a05dc55b97e11:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c44849b75738d11a2ddee274fea893b38cc69c9137190bd06a3a05dc55b97e11
Status:
ERROR
Block height:
40159770
Block id:
9d7a72e5a15cf961ecdf67bc4be65d97de4b768cc5bf6ac1e185b84869951e8f
Timestamp:
Wednesday 2 November 2022 at 10:12:51 UTC
()
Proposer:
Authorizers:
Gas used:
52