Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20b0f4eb76228f6958d2463e16cd2d9b0b1a633c027134bd0690f6bf10e80f4c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^