Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2d2c25a864b51abcd49bd7c67168dabedb0fa9a1a4e47296742f2678fec21d72:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^