Flow price: --
b45bb68f4a802b1873d8dac840b31960cce38ee4e047170d67b2bdfb8a49537f

Transaction

Hash: b45bb68f4a802b1873d8dac840b31960cce38ee4e047170d67b2bdfb8a49537f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b45bb68f4a802b1873d8dac840b31960cce38ee4e047170d67b2bdfb8a49537f: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:
b45bb68f4a802b1873d8dac840b31960cce38ee4e047170d67b2bdfb8a49537f
Status:
ERROR
Block height:
40114768
Block id:
b48e7b8969617d7965a149d9bc99d98b1cd2d598dd46eee2b48c9aa9f45348f6
Timestamp:
Tuesday 1 November 2022 at 15:53:43 UTC
()
Proposer:
Authorizers:
Gas used:
47