0.7.6 Critical Error during Doppleganger Fight in Shattered Hallways

[ChaosGallant]

I get the error consistently during the fight with the Doppelganger, it takes a different number of turns for the error to occur, but with the same message each time:

TypeError: Cannot read property 'map' of null at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/829.825ec74bae6a8931b29c.js:1:2547207) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/505.b66797a5e99badee1801.js:1:36404) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/505.b66797a5e99badee1801.js:1:50702) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/829.825ec74bae6a8931b29c.js:1:2546752) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/505.b66797a5e99badee1801.js:1:36404) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/505.b66797a5e99badee1801.js:1:50702) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/829.825ec74bae6a8931b29c.js:1:2546752) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/505.b66797a5e99badee1801.js:1:36404) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/505.b66797a5e99badee1801.js:1:50702) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/829.825ec74bae6a8931b29c.js:1:2546752) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/505.b66797a5e99badee1801.js:1:36404) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/505.b66797a5e99badee1801.js:1:50702) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/829.825ec74bae6a8931b29c.js:1:2546752) at n.value (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/505.b66797a5e99badee1801.js:1:35831) at file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/829.825ec74bae6a8931b29c.js:1:245560 at Object.func (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/829.825ec74bae6a8931b29c.js:1:245604) at doClick (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/826.60b17acc7ce7ee21f5c6.js:1:38245) at l (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/829.825ec74bae6a8931b29c.js:1:4408973) at o (file:///E:/Games/Steam%20Library/steamapps/common/Corruption%20of%20Champions%20II/resources/app/107.480815926b37cabd6887.js:2:40902)

Playing on he Steam Version, Build 0.7.6