Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 516bf2d9fdefb99b1fa3988344a34b9a0a86866a92af83832693e1c9eceda542:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^