Flow price: --
c8f974ee635433a188a4aea8d6ab3e797ac80002fa8d1d288f82e9bc30b021c7

Transaction

Hash: c8f974ee635433a188a4aea8d6ab3e797ac80002fa8d1d288f82e9bc30b021c7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c8f974ee635433a188a4aea8d6ab3e797ac80002fa8d1d288f82e9bc30b021c7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c8f974ee635433a188a4aea8d6ab3e797ac80002fa8d1d288f82e9bc30b021c7
Status:
ERROR
Block height:
40059521
Block id:
8d7d1c717a8b4d5c8027cdf663e6a8241f546464fe04372522bac6c96a36264f
Timestamp:
Monday 31 October 2022 at 17:37:56 UTC
()
Proposer:
Authorizers:
Gas used:
53