Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d438556cc5f6fd8d16eb7b8a07f2f13a9104e7c0439d56df050c16dfb8496a26:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^