Flow price: --
7a7944e3b7986af6e3bfee53b89c91fd347023efa5b9f30f9a299e9e71fe2b6e

Transaction

Hash: 7a7944e3b7986af6e3bfee53b89c91fd347023efa5b9f30f9a299e9e71fe2b6e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7a7944e3b7986af6e3bfee53b89c91fd347023efa5b9f30f9a299e9e71fe2b6e: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:
7a7944e3b7986af6e3bfee53b89c91fd347023efa5b9f30f9a299e9e71fe2b6e
Status:
ERROR
Block height:
39967772
Block id:
c37a5e8244fd5e6c1498d6efc4e9a79649a77d1df86b4748473fe5f2d4ad9b51
Timestamp:
Sunday 30 October 2022 at 04:51:49 UTC
()
Proposer:
Authorizers:
Gas used:
48