Why is this credit pending so long?

Hello MariaAmeliaPark In this case we were not able to verify the credit and was rejected, you can re submit the credit using the online Update Form and please help us providing evidence for the credit (onscreen credit screenshot). You can take a look at our Help Articles for help on submitting evidence: https://help.imdb.com/article/contribution/contribution-information/how-can-i-submit-additional-verification-for-a-credit-submission/GN93ME9NVXHVE36E?ref_=helpsrall#