Flow price: --
cd052128f2317f1a7fa37bf10cd5875c045c270dfe4bb2e85f6e991a5142c74c

Transaction

Hash: cd052128f2317f1a7fa37bf10cd5875c045c270dfe4bb2e85f6e991a5142c74c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cd052128f2317f1a7fa37bf10cd5875c045c270dfe4bb2e85f6e991a5142c74c: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:
cd052128f2317f1a7fa37bf10cd5875c045c270dfe4bb2e85f6e991a5142c74c
Status:
ERROR
Block height:
40113256
Block id:
e5c15173cf6f86af7bde5936bf4f78bd8677f05e93f3b7d7d89b34e5594bdf74
Timestamp:
Tuesday 1 November 2022 at 15:17:08 UTC
()
Proposer:
Authorizers:
Gas used:
46