Flow price: --
4c9f7b080a2a2803ca1f0c78a2c4fb7847d6010fd421c3ff4cd8a42369e22c5c

Transaction

Hash: 4c9f7b080a2a2803ca1f0c78a2c4fb7847d6010fd421c3ff4cd8a42369e22c5c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4c9f7b080a2a2803ca1f0c78a2c4fb7847d6010fd421c3ff4cd8a42369e22c5c: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:
4c9f7b080a2a2803ca1f0c78a2c4fb7847d6010fd421c3ff4cd8a42369e22c5c
Status:
ERROR
Block height:
40041454
Block id:
ebfe5b772b714d406a35959b1e54b06da6fa92f5ead317dad1bf490d5f81cd8b
Timestamp:
Monday 31 October 2022 at 10:19:38 UTC
()
Proposer:
Authorizers:
Gas used:
46