Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> efd3ad2da35f00970bc9a3b27be57dda8602449105a4ceb076b0c1ac11c1bfd4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^