Flow price: --
f35a902a2c3e8fb33c1467c3aba87e13021c93419a0136a0f76efc94b08a5d8b

Transaction

Hash: f35a902a2c3e8fb33c1467c3aba87e13021c93419a0136a0f76efc94b08a5d8b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f35a902a2c3e8fb33c1467c3aba87e13021c93419a0136a0f76efc94b08a5d8b: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:
f35a902a2c3e8fb33c1467c3aba87e13021c93419a0136a0f76efc94b08a5d8b
Status:
ERROR
Block height:
40105001
Block id:
475a32a3719a10cb8cfaf0414d1f035808949f4275d77ccd5770298839041b05
Timestamp:
Tuesday 1 November 2022 at 11:56:45 UTC
()
Proposer:
Authorizers:
Gas used:
46