Flow price: --
17f63a129aaa4bd4dd28553a56d40d2a829d5d72f28b65fe68d9bcdf9b1d52d1

Transaction

Hash: 17f63a129aaa4bd4dd28553a56d40d2a829d5d72f28b65fe68d9bcdf9b1d52d1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 17f63a129aaa4bd4dd28553a56d40d2a829d5d72f28b65fe68d9bcdf9b1d52d1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
17f63a129aaa4bd4dd28553a56d40d2a829d5d72f28b65fe68d9bcdf9b1d52d1
Status:
ERROR
Block height:
40042424
Block id:
ccaebb371a77c4c48e6f2c50d8305aff57a8a91f3fba5e0fe85c668aac06fe6b
Timestamp:
Monday 31 October 2022 at 10:42:50 UTC
()
Proposer:
Authorizers:
Gas used:
47