Flow price: --
1d78e4b97df107f897c3760680d6fd30f2b71a244f09b648b957188826c6895c

Transaction

Hash: 1d78e4b97df107f897c3760680d6fd30f2b71a244f09b648b957188826c6895c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1d78e4b97df107f897c3760680d6fd30f2b71a244f09b648b957188826c6895c: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:
1d78e4b97df107f897c3760680d6fd30f2b71a244f09b648b957188826c6895c
Status:
ERROR
Block height:
40044835
Block id:
448fbfca11edfa9453bda33e3deb908dfafa04553c34ef156fb2afcc838f8928
Timestamp:
Monday 31 October 2022 at 11:41:09 UTC
()
Proposer:
Authorizers:
Gas used:
47