Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4303bc9daf84da257a57312e118da4899f3302d490732c8fe72ebcad6bab366b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^