Flow price: --
19083ab438736bb848cc7c956c0fd3c447242819a312c4a028bea77bc5a0bd0c

Transaction

Hash: 19083ab438736bb848cc7c956c0fd3c447242819a312c4a028bea77bc5a0bd0c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 19083ab438736bb848cc7c956c0fd3c447242819a312c4a028bea77bc5a0bd0c: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:
19083ab438736bb848cc7c956c0fd3c447242819a312c4a028bea77bc5a0bd0c
Status:
ERROR
Block height:
40114961
Block id:
6378df95d1910bb70eae4ded986e8cb0f919d8a7e0d451333fa81324e7ea4962
Timestamp:
Tuesday 1 November 2022 at 15:58:21 UTC
()
Proposer:
Authorizers:
Gas used:
46