Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 70ca06b70549353f0e087dc2a073d65914d2a7a5eaecabd2bdb580776f7b63b1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^