in service/src/main/java/org/apache/fineract/cn/teller/service/internal/processor/DepositTransactionHandler.java [238:246]
private TellerEntity getTellerEntity(final String tellerCode) {
final Optional<TellerEntity> optionalTeller = this.tellerRepository.findByIdentifier(tellerCode);
if (!optionalTeller.isPresent()) {
this.logger.warn("Teller {} not found.", tellerCode);
throw new IllegalStateException("Teller not found.");
}
return optionalTeller.get();
}