Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5513639eada604a6c66fc0d467f7300223f92446c3ab734f3ca5f3b4438282b7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^