Flow price: --
bd4a471c05cdd96fe948d94867751621ad3c9b048931851f687ddae3b8efb49c

Transaction

Hash: bd4a471c05cdd96fe948d94867751621ad3c9b048931851f687ddae3b8efb49c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bd4a471c05cdd96fe948d94867751621ad3c9b048931851f687ddae3b8efb49c: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:
bd4a471c05cdd96fe948d94867751621ad3c9b048931851f687ddae3b8efb49c
Status:
ERROR
Block height:
40012383
Block id:
8f89d16710a4c11196f11f44bc3b713a6940d90cae3b1e61b03ed0d0d5ca29bb
Timestamp:
Sunday 30 October 2022 at 22:40:40 UTC
()
Proposer:
Authorizers:
Gas used:
47