Flow price: --
048215da8ff065f523aeb7c9813e0690d2e8f4525a4c1d35e5db57aece254812

Transaction

Hash: 048215da8ff065f523aeb7c9813e0690d2e8f4525a4c1d35e5db57aece254812
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 048215da8ff065f523aeb7c9813e0690d2e8f4525a4c1d35e5db57aece254812:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
048215da8ff065f523aeb7c9813e0690d2e8f4525a4c1d35e5db57aece254812
Status:
ERROR
Block height:
40152614
Block id:
85693d9d159e3f626503815bfd080db44111a7c611d122bfa34da72d6fa71971
Timestamp:
Wednesday 2 November 2022 at 07:18:18 UTC
()
Proposer:
Authorizers:
Gas used:
49