Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e8d7a0f028c0987db5704ce49f6e88165f6213ace6ab9579a569137e84ecd9ab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^