Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f5d277e0c4c69c15cce560f14b89effa50fb81189d64ce8153eddcdb839b2da:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^