Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2d9e9e1da23973765f66393b67939dfc5c726de25ffa6a0eac84045b64b7e97a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^