Flow price: --
b714f8af810958854dab30d7b3571e84bc3738e1a612c120d0b174e463c1411c

Transaction

Hash: b714f8af810958854dab30d7b3571e84bc3738e1a612c120d0b174e463c1411c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b714f8af810958854dab30d7b3571e84bc3738e1a612c120d0b174e463c1411c: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:
b714f8af810958854dab30d7b3571e84bc3738e1a612c120d0b174e463c1411c
Status:
ERROR
Block height:
40163534
Block id:
1c4ced273aed9d8dbd08aedf6eead5266302ac5cd388fa2c2a30e36268f68e10
Timestamp:
Wednesday 2 November 2022 at 11:44:23 UTC
()
Proposer:
Authorizers:
Gas used:
49