Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be3d0f6bdd3c8fe977258e1960952dc188f30d281d11fe408e64f5b95d409480:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^