Flow price: --
a282156705f04edef8260d5f3e4442bb5fa190e8e9f72fa7b950097e2657b812

Transaction

Hash: a282156705f04edef8260d5f3e4442bb5fa190e8e9f72fa7b950097e2657b812
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a282156705f04edef8260d5f3e4442bb5fa190e8e9f72fa7b950097e2657b812:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a282156705f04edef8260d5f3e4442bb5fa190e8e9f72fa7b950097e2657b812
Status:
ERROR
Block height:
39989088
Block id:
23ddfb8af26a674a5f0af79662d6a702fc58df09c6a400d0148fb03c26ea0aba
Timestamp:
Sunday 30 October 2022 at 13:23:58 UTC
()
Proposer:
Authorizers:
Gas used:
46