Flow price: --
8c96f21bb5e0c23071941e6c5e98fddb62f54d61ad67530c3850541196265b60

Transaction

Hash: 8c96f21bb5e0c23071941e6c5e98fddb62f54d61ad67530c3850541196265b60
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8c96f21bb5e0c23071941e6c5e98fddb62f54d61ad67530c3850541196265b60:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8c96f21bb5e0c23071941e6c5e98fddb62f54d61ad67530c3850541196265b60
Status:
ERROR
Block height:
40131208
Block id:
5a0da0d707aec420afee2ea591dd9742216cfcda2c99188bc582190a744ecc64
Timestamp:
Tuesday 1 November 2022 at 22:36:18 UTC
()
Proposer:
Authorizers:
Gas used:
46