Flow price: --
91b1f5439d62f095cfe9638ee92b5e428167d40a2c02c67fac13957903fe5d75

Transaction

Hash: 91b1f5439d62f095cfe9638ee92b5e428167d40a2c02c67fac13957903fe5d75
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 91b1f5439d62f095cfe9638ee92b5e428167d40a2c02c67fac13957903fe5d75:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
91b1f5439d62f095cfe9638ee92b5e428167d40a2c02c67fac13957903fe5d75
Status:
ERROR
Block height:
40066155
Block id:
8c4c24dd72c5a009482242e1ff65045d7774514193324fe87b7173b90edcc75f
Timestamp:
Monday 31 October 2022 at 20:18:20 UTC
()
Proposer:
Authorizers:
Gas used:
47