Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1762419b0e857daf461742614fdb948febfa2cbc1cbd2667b1900803a7953fab:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^