Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b15d06e79a99b00a6e9dcf7c39e0d0f6ae00419f17550a1b8b0754fdfd371021:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^