Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 69dfc479ee4c94793b2580c172136826d6e2cadd512b3b079a4e6c0f976a9c68:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^