Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 76ec9b87afec67de52dc7cb212cf570af470376eead88f800ca1dac9bccad568:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^