Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21e2940535c8bb6992a810842eaf7e4f07f4005de38d387d5b6f39c8fedd0b75:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^