Flow price: --
c0f44783a0a1a4369b666843a83af0383415be2f07229f66a86a0d6cda5f14dc

Transaction

Hash: c0f44783a0a1a4369b666843a83af0383415be2f07229f66a86a0d6cda5f14dc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c0f44783a0a1a4369b666843a83af0383415be2f07229f66a86a0d6cda5f14dc: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:
c0f44783a0a1a4369b666843a83af0383415be2f07229f66a86a0d6cda5f14dc
Status:
ERROR
Block height:
39974995
Block id:
6372cb8c3e2324908d4a7afbba983958aa131967a0b6f7eef70869fca77a783b
Timestamp:
Sunday 30 October 2022 at 07:45:59 UTC
()
Proposer:
Authorizers:
Gas used:
47