Flow price: --
58de49699f7cca3131bf0fa2e9a8ea1a96428c0a2b47e940365520dc434baab9

Transaction

Hash: 58de49699f7cca3131bf0fa2e9a8ea1a96428c0a2b47e940365520dc434baab9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 58de49699f7cca3131bf0fa2e9a8ea1a96428c0a2b47e940365520dc434baab9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
58de49699f7cca3131bf0fa2e9a8ea1a96428c0a2b47e940365520dc434baab9
Status:
ERROR
Block height:
40132555
Block id:
5e2c7741ab534d9d80bd18f02739a6d488425d0f81afa229fc981eaff2249d1c
Timestamp:
Tuesday 1 November 2022 at 23:09:33 UTC
()
Proposer:
Authorizers:
Gas used:
47