Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2dd5ba81c14a36ec8cff8bbb9e80b1bd76f36eed47ae1d0bb68d7f484880a221:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^