Flow price: --
b5083c67f356b25cec836f5dc0a9eb2668c28d2c102d651906b491a8d5c07442

Transaction

Hash: b5083c67f356b25cec836f5dc0a9eb2668c28d2c102d651906b491a8d5c07442
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b5083c67f356b25cec836f5dc0a9eb2668c28d2c102d651906b491a8d5c07442:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b5083c67f356b25cec836f5dc0a9eb2668c28d2c102d651906b491a8d5c07442
Status:
ERROR
Block height:
39985071
Block id:
6c13d253a97cc16687bcc8f98baee4521da7ed90ba5d759b51700e233fe5dab9
Timestamp:
Sunday 30 October 2022 at 11:47:07 UTC
()
Proposer:
Authorizers:
Gas used:
48