Flow price: --
80e450100a9555ff6919af68f03d599d68a605f7a3b00de37e5cb970cb941cb9

Transaction

Hash: 80e450100a9555ff6919af68f03d599d68a605f7a3b00de37e5cb970cb941cb9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 80e450100a9555ff6919af68f03d599d68a605f7a3b00de37e5cb970cb941cb9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
80e450100a9555ff6919af68f03d599d68a605f7a3b00de37e5cb970cb941cb9
Status:
ERROR
Block height:
40038376
Block id:
68538d813f6eb0f5184a49c1f1abd0a93e453bd4c7303028efcac68d2f9c1bd2
Timestamp:
Monday 31 October 2022 at 09:04:31 UTC
()
Proposer:
Authorizers:
Gas used:
46