Flow price: --
b71813f77150c57a1ec75936a864307380e4c4a80a7cdea39fd230b988cbf7bf

Transaction

Hash: b71813f77150c57a1ec75936a864307380e4c4a80a7cdea39fd230b988cbf7bf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b71813f77150c57a1ec75936a864307380e4c4a80a7cdea39fd230b988cbf7bf: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:
b71813f77150c57a1ec75936a864307380e4c4a80a7cdea39fd230b988cbf7bf
Status:
ERROR
Block height:
40139760
Block id:
5d68fb9fcc1ea4bbb8f5aad010920aa1f57620c856b614a21a0a3022118bb142
Timestamp:
Wednesday 2 November 2022 at 02:04:42 UTC
()
Proposer:
Authorizers:
Gas used:
46