Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b43b001e1fb965fd07b62c9ef5e2a4c0b16b4085d5dbbb98dbaa4e6ed0d65b0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^