Flow price: --
1cdea1789160d4858602baea822d7557e60195aa34bfba3e8852c6253d7375e5

Transaction

Hash: 1cdea1789160d4858602baea822d7557e60195aa34bfba3e8852c6253d7375e5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1cdea1789160d4858602baea822d7557e60195aa34bfba3e8852c6253d7375e5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1cdea1789160d4858602baea822d7557e60195aa34bfba3e8852c6253d7375e5
Status:
ERROR
Block height:
39931101
Block id:
2bdab0858a9e0a18905a35559f7b540e5386bf5405a40021259ac04272306bf1
Timestamp:
Saturday 29 October 2022 at 14:15:56 UTC
()
Proposer:
Authorizers:
Gas used:
46