Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 66a0076105483fe42675e5861612b9ac5a975105c2c939134d48838687d28bc1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^