Flow price: --
3c03e7bda041a12ff93e2da816b162c95477e2d2e449f309996a2e5b66997480

Transaction

Hash: 3c03e7bda041a12ff93e2da816b162c95477e2d2e449f309996a2e5b66997480
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3c03e7bda041a12ff93e2da816b162c95477e2d2e449f309996a2e5b66997480:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3c03e7bda041a12ff93e2da816b162c95477e2d2e449f309996a2e5b66997480
Status:
ERROR
Block height:
39811657
Block id:
8f589b85b360a2fa51dd71fd2fb81082965c5cdf98b5c554b28c27e140224e5a
Timestamp:
Thursday 27 October 2022 at 14:17:54 UTC
()
Proposer:
Authorizers:
Gas used:
47