Flow price: --
21f410ed37bac79cadb2955ab29ade37d0bbc7b5b12664856996bac36d210fae

Transaction

Hash: 21f410ed37bac79cadb2955ab29ade37d0bbc7b5b12664856996bac36d210fae
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21f410ed37bac79cadb2955ab29ade37d0bbc7b5b12664856996bac36d210fae: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:
21f410ed37bac79cadb2955ab29ade37d0bbc7b5b12664856996bac36d210fae
Status:
ERROR
Block height:
40055288
Block id:
9fc79b6e02065404ea3feb758444666c171fe3529e7d4f5ab8cc5a7c069dae8f
Timestamp:
Monday 31 October 2022 at 15:54:40 UTC
()
Proposer:
Authorizers:
Gas used:
55