Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 07c155f4fdf78931af625fd99034e478a632b60d32ecf5261c6ffbee5f0cf0a1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^