Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 69f23df3284198ff64652f51fea71f4b3e8e054da29838c0e777dfba7bd6fbbf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^