Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b413f4405f6db872fe3d06cbd05e02bcf2f35d99e025f7bc8537b5d2eac5042f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^