Flow price: --
b1a2c832518a0cd345bb57b40741311ed3a3075743fba8b7f84700fad435af14

Transaction

Hash: b1a2c832518a0cd345bb57b40741311ed3a3075743fba8b7f84700fad435af14
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1a2c832518a0cd345bb57b40741311ed3a3075743fba8b7f84700fad435af14:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b1a2c832518a0cd345bb57b40741311ed3a3075743fba8b7f84700fad435af14
Status:
ERROR
Block height:
39793167
Block id:
4b8f440102449caccacb21f0ff04bad5758d8af9e1bf399bcff5fa3ed4041207
Timestamp:
Thursday 27 October 2022 at 06:49:35 UTC
()
Proposer:
Authorizers:
Gas used:
54