Earlier today, AIB appointed receivers over The Square, the landmark shopping centre in Tallaght, west Dublin. The centre had been on the market for several months as its owner, the investment fund Oaktree, sought to offload the asset.  So, why did the bank appoint Kieran Wallace and Eamonn Richardson of Interpath Advisory as receivers? It seems there are 140 million reasons.  The Currency has learned that the bank has a €140 million exposure to the shopping centre, a huge sum of money given the trajectory of retail property. Indeed, it is less than any of the bids during the recent…