Flow price: --
338f858f0697e056b2456f0a7f8c19f72d259001638e6dcccecbbff12ed4a031

Transaction

Hash: 338f858f0697e056b2456f0a7f8c19f72d259001638e6dcccecbbff12ed4a031
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 338f858f0697e056b2456f0a7f8c19f72d259001638e6dcccecbbff12ed4a031:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
338f858f0697e056b2456f0a7f8c19f72d259001638e6dcccecbbff12ed4a031
Status:
ERROR
Block height:
40099528
Block id:
bc554cb498e25a54b4a9a4023ed4374983db1c8c3c4ce681656ddead5472e448
Timestamp:
Tuesday 1 November 2022 at 09:43:51 UTC
()
Proposer:
Authorizers:
Gas used:
46