Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2fbcfe6afeeca3786d31672a1dd20f520e7e4e4ed17585423a47bf03a1f50301:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^