Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c200bdfd3b15da2fd685eba0e65a78b2d875aadbef8717ba13e104d56a5bcf8c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^