Flow price: --
680c028b2f86532f0a46d16bdafa826a72e7044a2d17762f192cebe74c197b6e

Transaction

Hash: 680c028b2f86532f0a46d16bdafa826a72e7044a2d17762f192cebe74c197b6e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 680c028b2f86532f0a46d16bdafa826a72e7044a2d17762f192cebe74c197b6e: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:
680c028b2f86532f0a46d16bdafa826a72e7044a2d17762f192cebe74c197b6e
Status:
ERROR
Block height:
40157830
Block id:
5210eeabf532cdd9e02e89d09d0481d5b8c72e1a6108601ed403d9962674365e
Timestamp:
Wednesday 2 November 2022 at 09:25:32 UTC
()
Proposer:
Authorizers:
Gas used:
47