Flow price: --
78d303d57e5deda8402fd07ce7e0b596e20117008bd6c101bcd97d6990f9ebc0

Transaction

Hash: 78d303d57e5deda8402fd07ce7e0b596e20117008bd6c101bcd97d6990f9ebc0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 78d303d57e5deda8402fd07ce7e0b596e20117008bd6c101bcd97d6990f9ebc0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
78d303d57e5deda8402fd07ce7e0b596e20117008bd6c101bcd97d6990f9ebc0
Status:
ERROR
Block height:
40101334
Block id:
cc4809968527d24a3b6c0c3188e5968c3304327511b3f12294e820c8ebe6aca1
Timestamp:
Tuesday 1 November 2022 at 10:27:22 UTC
()
Proposer:
Authorizers:
Gas used:
46