Flow price: --
15c19ea5d51d92027d8bdda33970d50e5260eba1676069ccc84377beda70b23b

Transaction

Hash: 15c19ea5d51d92027d8bdda33970d50e5260eba1676069ccc84377beda70b23b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 15c19ea5d51d92027d8bdda33970d50e5260eba1676069ccc84377beda70b23b: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:
15c19ea5d51d92027d8bdda33970d50e5260eba1676069ccc84377beda70b23b
Status:
ERROR
Block height:
39793824
Block id:
a30a780396ca54a0db6c86f214cacc725aebd4a001a6a0d739298918861753b4
Timestamp:
Thursday 27 October 2022 at 07:05:41 UTC
()
Proposer:
Authorizers:
Gas used:
47