Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ca9dc1125486e7e9097160e4b32b3e0f8b7fbe09e634ac0fe223c87aff4e82b5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^