Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 79bfab896829906135475be21f8dd9b0e50569e827dc5085565d32f98a91f510:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^