Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3df4c785d41993da0445d58661671bf48ac4c95992fef99082ecba3fa3b65bc1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^