Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a25c683dad10c364c0687c7c11b15fecbdb65fad2975a1e263f8f8f887328e3d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^