Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b3cda4dcd7deb6e3017d4b13021159db66588747369eebd6daf7a8d0f2914285:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^