Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3f74f5c57083552fc420b71b9649be8a1ea0a28d5fd388147bfc2c12f1e7d4af:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^