Flow price: --
98b8bda423c94d8279d8b21a1a4a5aec363e6566f9371fe379a6b9592167a640

Transaction

Hash: 98b8bda423c94d8279d8b21a1a4a5aec363e6566f9371fe379a6b9592167a640
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 98b8bda423c94d8279d8b21a1a4a5aec363e6566f9371fe379a6b9592167a640:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
98b8bda423c94d8279d8b21a1a4a5aec363e6566f9371fe379a6b9592167a640
Status:
ERROR
Block height:
40082409
Block id:
c8ecd18c6dfc971325f1b2d025d329ec7a09c48126acaecf811b8fe7b0e043c8
Timestamp:
Tuesday 1 November 2022 at 02:46:28 UTC
()
Proposer:
Authorizers:
Gas used:
46