Flow price: --
19cd5e6d4350cc3e67594e69dd78f1519231cce11eb9054917e1b9fff76fd4c3

Transaction

Hash: 19cd5e6d4350cc3e67594e69dd78f1519231cce11eb9054917e1b9fff76fd4c3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 19cd5e6d4350cc3e67594e69dd78f1519231cce11eb9054917e1b9fff76fd4c3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
19cd5e6d4350cc3e67594e69dd78f1519231cce11eb9054917e1b9fff76fd4c3
Status:
ERROR
Block height:
40124100
Block id:
ef2e7cd00880b740b64fe37caa4bb0e5a864b1d0c9119f4c9557f0234ea31891
Timestamp:
Tuesday 1 November 2022 at 19:41:14 UTC
()
Proposer:
Authorizers:
Gas used:
47