Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e19c1c8bb62e865176187f5c8f8172270536bedea9b6e7a6abda7f5d8fdcefd4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^