Flow price: --
cd951bbbe2f3b73933a013da25c167d6a212c81a6eb5f820d452a44176b5289d

Transaction

Hash: cd951bbbe2f3b73933a013da25c167d6a212c81a6eb5f820d452a44176b5289d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cd951bbbe2f3b73933a013da25c167d6a212c81a6eb5f820d452a44176b5289d: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:
cd951bbbe2f3b73933a013da25c167d6a212c81a6eb5f820d452a44176b5289d
Status:
ERROR
Block height:
39980754
Block id:
bdf2b04a9f5408e65ad5dc660ceecb83dbb7066c6d5354ff22af3e0fd7c37603
Timestamp:
Sunday 30 October 2022 at 10:03:31 UTC
()
Proposer:
Authorizers:
Gas used:
47