Flow price: --
519d259471f6c36edd992dc9c0bce40454b1ea84593111eee0c6696f8fc7d965

Transaction

Hash: 519d259471f6c36edd992dc9c0bce40454b1ea84593111eee0c6696f8fc7d965
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 519d259471f6c36edd992dc9c0bce40454b1ea84593111eee0c6696f8fc7d965:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
519d259471f6c36edd992dc9c0bce40454b1ea84593111eee0c6696f8fc7d965
Status:
ERROR
Block height:
39731224
Block id:
8ace1030c1ec6c6a5b0676c32ff21a92d321c58d0deec1b0bf95f167b2e34389
Timestamp:
Wednesday 26 October 2022 at 05:52:58 UTC
()
Proposer:
Authorizers:
Gas used:
63