Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> de03a739c0b2683d27574850212556b4077a45084b0363a882795613b2c42d23:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^