Edriani, V., Agustina, A. and Hulaimi, A. 2026. THE EFFECT OF APPLICATION ERROR FREQUENCY AND DIGITAL SERVICE QUALITY ON CUSTOMER SATISFACTION WITH AT BANKS NTB SYARIAH. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE). 9, 2 (Jun. 2026), 15604-15616. DOI:https://doi.org/10.31538/iijse.v9i2.9993.