Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 135dd3f8a937a9d21d0fcfd0da3fce3b6a7daeb0c0a033919c388b3ffaca1119:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^