Flow price: --
c06d628353f38d596591a5d60a2b5cd852ba3e121547e445aad74ad6c4e77175

Transaction

Hash: c06d628353f38d596591a5d60a2b5cd852ba3e121547e445aad74ad6c4e77175
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c06d628353f38d596591a5d60a2b5cd852ba3e121547e445aad74ad6c4e77175:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c06d628353f38d596591a5d60a2b5cd852ba3e121547e445aad74ad6c4e77175
Status:
ERROR
Block height:
39994750
Block id:
5530dda0a7967fb8b7f078e1dc42827402b4df05bff83965cda8f4a5a32dd11c
Timestamp:
Sunday 30 October 2022 at 15:39:26 UTC
()
Proposer:
Authorizers:
Gas used:
47