Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> beca906006bd664d353ab2a8d60a19d3273860227e3e477dfc0aa06d9304baae:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^