Flow price: --
7f623b5a445f56e8a8474dec4ba1510160d5ceb5f7cd72bf352c55ff12252fd1

Transaction

Hash: 7f623b5a445f56e8a8474dec4ba1510160d5ceb5f7cd72bf352c55ff12252fd1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7f623b5a445f56e8a8474dec4ba1510160d5ceb5f7cd72bf352c55ff12252fd1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7f623b5a445f56e8a8474dec4ba1510160d5ceb5f7cd72bf352c55ff12252fd1
Status:
ERROR
Block height:
39865191
Block id:
10183c096c23819049f8a20e034369e5bce8baf6ebd8eae09c2a3961bfa6d941
Timestamp:
Friday 28 October 2022 at 11:54:24 UTC
()
Proposer:
Authorizers:
Gas used:
50