Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c9b2266a110bcd165c7659b7c68f886d13ce00160a1a5809b72cdb21567ca4f9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^