Flow price: --
45882f7566c6e3d7560d990f58e693a4dc432e0c985af96ecb36c2063685ccc4

Transaction

Hash: 45882f7566c6e3d7560d990f58e693a4dc432e0c985af96ecb36c2063685ccc4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 45882f7566c6e3d7560d990f58e693a4dc432e0c985af96ecb36c2063685ccc4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
45882f7566c6e3d7560d990f58e693a4dc432e0c985af96ecb36c2063685ccc4
Status:
ERROR
Block height:
40156320
Block id:
da0fa0924fd7e73ce4435c7067284c20a909166ec641d9a9b300485dd6a87359
Timestamp:
Wednesday 2 November 2022 at 08:48:57 UTC
()
Proposer:
Authorizers:
Gas used:
48