Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 39cedf6f449e70a38bd1cff0b00154f31f0730c8d2f67bfe42ff6deb3da6773f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^