Flow price: --
4e226cef952a834998f86c702f38910d24a3e0bc7b9d510c6ad5b9154015f195

Transaction

Hash: 4e226cef952a834998f86c702f38910d24a3e0bc7b9d510c6ad5b9154015f195
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4e226cef952a834998f86c702f38910d24a3e0bc7b9d510c6ad5b9154015f195:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4e226cef952a834998f86c702f38910d24a3e0bc7b9d510c6ad5b9154015f195
Status:
ERROR
Block height:
39840034
Block id:
c178bc8adc279d3e86f803a0247d024a68d92ec2900dd95094133d195763093a
Timestamp:
Friday 28 October 2022 at 01:45:25 UTC
()
Proposer:
Authorizers:
Gas used:
49