Flow price: --
b31f482681ff339bd9d5d619bec8970e404fa4a945b440e1c286de1259ba51bb

Transaction

Hash: b31f482681ff339bd9d5d619bec8970e404fa4a945b440e1c286de1259ba51bb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b31f482681ff339bd9d5d619bec8970e404fa4a945b440e1c286de1259ba51bb: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:
b31f482681ff339bd9d5d619bec8970e404fa4a945b440e1c286de1259ba51bb
Status:
ERROR
Block height:
40043946
Block id:
adafd7d94371d9f316f6b996eb3ee6e91ecddccd85789b465c1452e72cdb9764
Timestamp:
Monday 31 October 2022 at 11:19:46 UTC
()
Proposer:
Authorizers:
Gas used:
50