Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dd96c59ecff870ff02983c44659850f2dd3e07923ebe23d87e678655080bf84c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^